AMC8配套數(shù)學(xué)名詞中英文對照表解析

1、A abbreviation 簡寫符號；簡寫absolute error 絕對誤差absolute value 絕對值accuracy 準(zhǔn)確度acute angle  銳角acute-angled triangle 銳角三角形add 加addition 加法addition formula 加法公式addition law 加法定律addition law(of probability)（概率）加法定律additive property 可加性adjacent angle 鄰角adjacent side 鄰邊algebra 代數(shù)algebraic 代數(shù)的algebraic

2、equation 代數(shù)方程algebraic expression 代數(shù)式algebraic fraction 代數(shù)分式；代數(shù)分?jǐn)?shù)式algebraic inequality 代數(shù)不等式algebraic operation 代數(shù)運(yùn)算alternate angle （交）錯(cuò)角alternate segment 交錯(cuò)弓形altitude 高；高度；頂垂線；高線ambiguous case 兩義情況；二義情況amount 本利和；總數(shù)analysis 分析；解析analytic geometry 解析幾何angle  角angle at the centre 圓心角angle a

3、t the circumference 圓周角angle between a line and a plane 直與平面的交角angle between two planes 兩平面的交角angle bisection 角平分angle bisector 角平分線；分角線angle in the alternate segment 交錯(cuò)弓形的圓周角angle in the same segment 同弓形內(nèi)的圓周角angle of depression 俯角angle of elevation 仰角angle of greatest slope 最大斜率的角angle of inclinati

4、on 傾斜角angle of intersection 相交角；交角angle of rotation 旋轉(zhuǎn)角angle of the sector 扇形角angle sum of a triangle 三角形內(nèi)角和angles at a point 同頂角annum(X% per annum) 年（年利率X%）anti-clockwise direction 逆時(shí)針方向；返時(shí)針方向anti-logarithm 逆對數(shù)；反對數(shù)anti-symmetric 反對稱apex 頂點(diǎn)approach 接近；趨近approximate value 近似值approximation 近似；略計(jì)；逼近Ara

5、bic system 阿刺伯?dāng)?shù)字系統(tǒng)arbitrary 任意arbitrary constant 任意常數(shù)arc 弧arc length 弧長arc-cosine function 反余弦函數(shù)arc-sin function 反正弦函數(shù)arc-tangent function 反正切函數(shù)area 面積arithmetic 算術(shù)arithmetic mean 算術(shù)平均；等差中頂；算術(shù)中頂arithmetic progression 算術(shù)級數(shù)；等差級數(shù)arithmetic sequence 等差序列arithmetic series 等差級數(shù)arm 邊arrow 前號ascending order

6、 遞升序ascending powers of X X 的升冪associative law 結(jié)合律assumed mean 假定平均數(shù)assumption 假定；假設(shè)average 平均；平均數(shù)；平均值average speed 平均速率axiom 公理axis 軸axis of parabola 拋物線的軸axis of symmetry 對稱軸   B back substitution 回代bar chart 棒形圖；條線圖；條形圖；線條圖base （1）底；（2）基；基數(shù)base angle 底角base area 底面base line 底線base numbe

7、r 底數(shù)；基數(shù)base of logarithm 對數(shù)的底bearing 方位（角）；角方向（角）bell-shaped curve 鐘形圖bias 偏差；偏倚billion 十億binary number 二進(jìn)數(shù)binary operation 二元運(yùn)算binary scale 二進(jìn)法binary system 二進(jìn)制binomial 二項(xiàng)式binomial expression 二項(xiàng)式bisect  平分；等分bisection method 分半法；分半方法bisector 等分線；平分線boundary condition 邊界條件boundary line 界（線

8、）；邊界bounded 有界的bounded above 有上界的；上有界的bounded below 有下界的；下有界的bounded function 有界函數(shù)brace 大括號bracket 括號breadth 闊度broken line graph 折線圖   C calculation 計(jì)算calculator 計(jì)算器；計(jì)算器cancel 消法；相消canellation law 消去律capacity 容量Cartesian coordinates 笛卡兒坐標(biāo)Cartesian plane 笛卡兒平面category 類型；范疇central line 中線ce

9、ntral tendency 集中趨centre 中心；心centre of a circle 圓心centroid  形心；距心certain event 必然事件chance 機(jī)會change of base 基的變換change of subject 主項(xiàng)變換change of variable 換元；變量的換chart 圖；圖表checking 驗(yàn)算chord 弦chord of contact 切點(diǎn)弦circle 圓circular 圓形；圓的circular function 圓函數(shù)；三角函數(shù)circular measure 弧度法circumcentre 外心

10、；外接圓心circumcircle 外接圓circumference 圓周circumradius 外接圓半徑circumscribed circle 外接圓class 區(qū)；組；類class boundary 組界class interval 組區(qū)間；組距class limit 組限；區(qū)限class mark 組中點(diǎn)；區(qū)中點(diǎn)classification 分類clnometer 測斜儀clockwise dirction 順時(shí)針方向closed convex region 閉凸區(qū)域closed interval 閉區(qū)間coefficient 系數(shù)coincide 迭合；重合collection

11、of terms 并項(xiàng)collinear 共線collinear planes 共線面column (1)列；縱行；(2) 柱combination 組合common chord 公弦common denominator 同分母；公分母common difference 公差common divisor 公約數(shù)；公約common factor 公因子；公因子common logarithm 常用對數(shù)common multiple 公位數(shù)；公倍common ratio 公比common tangetn 公切commutative law 交換律comparable 可比較的compass 羅盤c

12、ompass bearing 羅盤方位角compasses 圓規(guī)compasses construction 圓規(guī)作圖complement 余；補(bǔ)余complementary angle 余角complementary event 互補(bǔ)事件complementary probability 互補(bǔ)概率completing the square 配方complex number 復(fù)數(shù)complex root 復(fù)數(shù)根composite number 復(fù)合數(shù)；合成數(shù)compound bar chart 綜合棒形圖compound discount 復(fù)折扣compound interest 復(fù)利；復(fù)利息

13、computation 計(jì)算computer 計(jì)算機(jī)；電子計(jì)算器concave 凹concave downward 凹向下的D data 數(shù)據(jù)decagon 十邊形decay 衰變decay factor 衰變因子decimal 小數(shù)decimal place 小數(shù)位decimal point 小數(shù)點(diǎn)decimal system  十進(jìn)制decrease 遞減decreasing function 遞減函數(shù)；下降函數(shù)decreasing sequence 遞減序列；下降序列decreasing series 遞減級數(shù)；下降級數(shù)decrement 減量deduce 演繹ded

14、uction 推論deductive reasoning 演繹推理definite 確定的；定的distance 距離distance formula 距離公式distinct roots 相異根distincr solution 相異解distribution 公布distrivutive law 分配律divide 除dividend (1)被除數(shù)；(2)股息divisible 可整除division 除法division algorithm 除法算式divisor 除數(shù)；除式；因子divisor of zero 零因子dodecagon 十二邊形dot 點(diǎn)double root 二重根d

15、ue east/ south/ west /north 向 東/ 南/ 西/ 北definiton 定義degree (1)度；(2)次degree of a polynomial 多項(xiàng)式的次數(shù)degree of accuracy 準(zhǔn)確度degree of precision 精確度delete 刪除；刪去denary number 十進(jìn)數(shù)denary scale 十進(jìn)法denary system 十進(jìn)制denominator 分母dependence (1)相關(guān)；(2)應(yīng)變dependent event(s) 相關(guān)事件；相依事件；從屬事件dependent variable 應(yīng)變量；應(yīng)變數(shù)d

16、epreciation 折舊descending order 遞降序descending powers of X X的降序detached coefficients 分離系數(shù)(法) deviation 偏差；變差deviation from the mean 離均差diagonal  對角diagram 圖；圖表diameter 直徑difference 差digit 數(shù)字dimension 量；量網(wǎng)；維(數(shù)) direct proportion 正比例direct tax, direct taxation 直接稅direct variation 正變（分）directed

17、 angle 有向角directed number 有向數(shù)direction 方向；方位discontinuous 間斷(的)；非連續(xù)(的)；不連續(xù)(的) discount 折扣discount per cent 折扣百分率discrete 分立；離散discrete data 離散數(shù)據(jù)；間斷數(shù)據(jù)discriminant 判別式dispersion 離差displacement 位移disprove 反證   E edge 棱；邊elimination 消法elimination method 消去法；消元法elongation 伸張；展empirical data

18、0; 實(shí)驗(yàn)數(shù)據(jù)empirical formula 實(shí)驗(yàn)公式empirical probability 實(shí)驗(yàn)概率；經(jīng)驗(yàn)概率enclosure 界限end point 端點(diǎn)entire surd 整方根equal 相等equal ratios theorem 等比定理equal roots 等根equality 等(式) equality sign 等號equation 方程equation in one unknown 一元方程equation in two unknowns (variables) 二元方程equation of a straight line 直線方程equatio

19、n of locus 軌跡方程equiangular 等角(的) extreme value 極值equidistant 等距(的) equilaeral 等邊(的) equilateral polygon 等邊多邊形equilateral triangle 等邊三角形equivalent 等價(jià)(的) error 誤差escribed circle 旁切圓estimate 估計(jì)；估計(jì)量Euler's formula 尤拉公式；歐拉公式evaluate 計(jì)值even function 偶函數(shù)even number 偶數(shù)evenly distributed 均勻分布的event 事件exa

20、ct 真確exact solution 準(zhǔn)確解；精確解；真確解exact value 法確解；精確解；真確解example 例excentre 外心exception 例外excess 起exclusive 不包含exclusive events 互斥事件exercise 練習(xí)expand 展開expand form 展開式expansion 展式expectation 期望expectation value, expected value 期望值；預(yù)期值experiment 實(shí)驗(yàn)；試驗(yàn)experimental 試驗(yàn)的experimental probability 實(shí)驗(yàn)概率exponent

21、指數(shù)expressin terms of. 以表達(dá)expression 式；數(shù)式extension 外延；延長；擴(kuò)張；擴(kuò)充exterior angle 外角external angle bisector 外分角external point of division 外分點(diǎn)extreme point 極值點(diǎn)F face 面factor 因子；因式；商factor method 因式分解法factor theorem 因子定理；因式定理factorial 階乘factorization 因子分解；因式分解factorization of polynomial 多項(xiàng)式因式分解FALSE 假(的) fe

22、asible solution 可行解；容許解Fermats last theorem 費(fèi)爾馬最后定理Fibonacci number 斐波那契數(shù)；黃金分割數(shù)Fibonacci sequence 斐波那契序列fictitious mean 假定平均數(shù)figure (1)圖(形)；(2)數(shù)字finite 有限finite population 有限總體finite sequence 有限序列finite series 有限級數(shù)first quartile 第一四分位數(shù)first term 首項(xiàng)fixed deposit 定期存款fixed point 定點(diǎn)flow chart 流程圖foot o

23、f perpendicular 垂足for all X 對所有X for each /every X 對每一X form 形式；型formal proof 形式化的證明format 格式；規(guī)格formula(formulae) 公式four rules 四則four-figure table 四位數(shù)表fourth root 四次方根fraction 分?jǐn)?shù)；分式fraction in lowest term 最簡分?jǐn)?shù)fractional equation 分式方程fractional index 分?jǐn)?shù)指數(shù)fractional inequality  分式不等式free fal

24、l 自由下墜frequency 頻數(shù)；頻率frequency distribution 頻數(shù)分布；頻率分布frequency distribution table 頻數(shù)分布表frequency polygon 頻數(shù)多邊形；頻率多邊形frustum 平截頭體function 函數(shù)function of function 復(fù)合函數(shù)；迭函數(shù)functional notation 函數(shù)記號   G gain 增益；賺；盈利gain per cent 賺率；增益率；盈利百分率game  （1）對策；（2）博奕general form 一般式；通式general s

25、olution 通解；一般解general term 通項(xiàng)geoborad 幾何板geometric mean 幾何平均數(shù)；等比中項(xiàng)geometric progression 幾何級數(shù)；等比級數(shù)geometric sequence 等比序列g(shù)eometric series 等比級數(shù)geometry 幾何；幾何學(xué)given 給定；已知golden section 黃金分割grade 等級gradient (1)斜率；傾斜率；(2)梯度grand total 總計(jì)graph 圖像；圖形；圖表graph paper 圖表紙graphical method 圖解法graphical represent

26、ation 圖示；以圖樣表達(dá)graphical solution 圖解greatest term 最大項(xiàng)greatest value 最大值grid lines 網(wǎng)網(wǎng)格線group  組；grouped data 分組數(shù)據(jù)；分類數(shù)據(jù)grouping terms 并項(xiàng)；集項(xiàng)growth 增長growth factor 增長因子   H half closed interval 半閉區(qū)間half open interval 半開區(qū)間head 正面（錢幣）height 高（度）hemisphere 半球體；半球heptagon 七邊形Heron's f

27、ormula 希羅公式hexagon 六邊形higher order derivative 高階導(dǎo)數(shù)highest common factor(H.C.F) 最大公因子；最高公因式；最高公因子Hindu-Arabic numeral 阿刺伯?dāng)?shù)字histogram 組織圖；直方圖；矩形圖horizontal  水平的；水平horizontal line 橫線；水平線hyperbola 雙曲線hypotenuse 斜邊 I identical 全等；恒等identity 等（式）identity relation 恒等關(guān)系式if and only if/iff 當(dāng)且僅當(dāng)；若且僅

28、若if., then 若.則；如果.則illustration 例證；說明image 像點(diǎn)；像imaginary circle 虛圓imaginary number 虛數(shù)imaginary root 虛根implication 蘊(yùn)涵式；蘊(yùn)含式imply 蘊(yùn)涵；蘊(yùn)含impossible event 不可能事件improper fraction 假分?jǐn)?shù)inclination 傾角；斜角inclined plane 斜面included angle 夾角included side 夾邊inclusive 包含的；可兼的inconsistent 不相的(的)；不一致(的) increase 遞增；增加

29、increasing function 遞增函數(shù)interior angles on the same side of the transversal 同旁內(nèi)角interior opposite angle 內(nèi)對角internal bisector 內(nèi)分角internal division 內(nèi)分割internal point of division 內(nèi)分點(diǎn)inter-quartile range 四分位數(shù)間距intersect 相交intersection (1)交集；(2)相交；(3)交點(diǎn)interval 區(qū)間intuition 直觀invariance 不變性invariant (1)不變

30、的；(2)不變量；不變式inverse 反的；逆的inverse circular function 反三角函數(shù)inverse cosine function 反余弦函數(shù)inverse function 反函數(shù)；逆函數(shù)inverse problem 逆算問題inverse proportion 反比例；逆比例inverse sine function 反正弦函數(shù)inverse tangent function 反正切函數(shù)inverse variation 反變(分)；逆變(分) irrational equation 無理方程irrational number 無理數(shù)irreducibilit

31、y 不可約性irregular  不規(guī)則isosceles triangle 等腰三角形increasing sequence 遞增序列increasing series 遞增級數(shù)increment 增量independence 獨(dú)立；自變independent event 獨(dú)立事件independent variable 自變量；獨(dú)立變量indeterminate (1)不定的；(2)不定元；未定元indeterminate coefficient 不定系數(shù)；未定系數(shù)indeterminate form 待定型；不定型index,indices 指數(shù)；指index notation

32、 指數(shù)記數(shù)法inequality 不等式；不等inequality sign 不等號infinite 無限；無窮infinite population 無限總體infinite sequence 無限序列；無窮序列infinite series 無限級數(shù)；無窮級數(shù)infinitely many 無窮多infinitesimal 無限?。粺o窮小infinity 無限(大)；無窮(大) initial point 始點(diǎn)；起點(diǎn)initial side 始邊initial value 初值；始值input 輸入input box 輸入inscribed circle 內(nèi)切圓insertion 插入in

33、sertion of brackets 加括號instantaneous 瞬時(shí)的integer 整數(shù)integral index 整數(shù)指數(shù)integral solution 整數(shù)解integral value 整數(shù)值intercept 截距；截段intercept form 截距式intercept theorem 截線定理interchange 互換interest 利息interest rate 利率interest tax 利息稅interior angle 內(nèi)角   J joint variation 聯(lián)變(分)；連變(分)   K known 己知  

34、L L.H.S. 末項(xiàng)law 律；定律law of indices 指數(shù)律；指數(shù)定律law of trichotomy 三分律leading coefficient 首項(xiàng)系數(shù)least common multiple, lowest common multiple (L.C.M) 最小公倍數(shù)；最低公倍式least value 最小值lemma 引理length 長(度) letter 文字；字母like surd 同類根式like terms 同類項(xiàng)limit 極限line 線；行l(wèi)ine of best-fit 最佳擬合line of greatest slope 最大斜率的直；最大斜率li

35、ne of intersection 交線line segment 線段linear 線性；一次linear equation 線性方程；一次方程linear equation in two unknowns 二元一次方程；二元線性方程linear inequality 一次不等式；線性不等式linear programming 線性規(guī)劃literal coefficient 文字系數(shù)literal equation 文字方程load 負(fù)荷loaded coin 不公正錢幣loaded die 不公正骰子locus, loci 軌跡logarithm 對數(shù)logarithmic equatio

36、n 對數(shù)方程logarithmic function 對數(shù)函數(shù)logic 邏輯logical deduction 邏輯推論；邏輯推理logical step 邏輯步驟long division method 長除法loss 賠本；虧蝕loss per cent 賠率；虧蝕百分率lower bound 下界lower limit 下限lower quartile 下四分位數(shù)lowest common multiple(L.C.M) 最小公倍數(shù)   M magnitude 量；數(shù)量；長度；大小major arc 優(yōu)??；大弧major axis 長軸major sector 優(yōu)扇形；大扇形

37、major segment 優(yōu)弓形；大弓形mantissa 尾數(shù)mantissa of logarithm 對數(shù)的尾數(shù)；對數(shù)的定值部many-sided figure 多邊形marked price 標(biāo)價(jià)mathematical induction 數(shù)學(xué)歸納法mathematical sentence 數(shù)句mathematics 數(shù)學(xué)maximize 極大maximum absolute error 最大絕對誤差maximum point 極大點(diǎn)maximum value 極大值mean 平均(值)；平均數(shù)；中數(shù)mean deviation 中均差；平均偏差measure of dispers

38、ion 離差的量度measurement 量度median (1)中位數(shù)；(2)中線meet 相交；相遇mensuration 計(jì)量；求積法method 方法method of completing square 配方法method of substitution 代換法；換元法metric unit 十進(jìn)制單位mid-point 中點(diǎn)mid-point formula 中點(diǎn)公式mid-point theorem 中點(diǎn)定理million 百萬minimize 極小minimum point 極小點(diǎn)minimum value 極小值minor (1)子行列式；(2)劣；較小的minor arc

39、劣?。恍』inor axis 短軸minor sector 劣扇形；小扇形minor segment 劣弓形；小弓形minus 減minute 分mixed number(fraction) 帶分?jǐn)?shù)modal class 眾數(shù)組mode 眾數(shù)model 模型monomial 單項(xiàng)式multinomial 多項(xiàng)式multiple 倍數(shù)multiple root 多重根multiplicand 被乘數(shù)multiplication 乘法multiplication law (of probability) (概率)乘法定律multiplicative property 可乘性multiplier

40、乘數(shù)；乘式multiply 乘mutually exclusive events 互斥事件mutually independent 獨(dú)立; 互相獨(dú)立mutually perpendicular lines 互相垂直   N n factorial n階乘n th root n次根；n次方根natural number 自然數(shù)negative 負(fù)negative angle 負(fù)角negative index 負(fù)指數(shù)negative integer 負(fù)整數(shù)negative number 負(fù)數(shù)neighborhood 鄰域net 凈(值) n-gon n邊形nonagon 九邊形non-c

41、ollinear 不共線non-linear 非線性non-linear equation 非線性方程non-negative 非負(fù)的non-trivial 非平凡的non-zero 非零normal (1)垂直的；正交的；法線的 (2)正態(tài)的 (3)正常的；正規(guī)的normal curve 正態(tài)分 記伲懷 分 記?；真琴；諔n?normal distribution 正態(tài)分布，常態(tài)分布normal form 法線式notation 記法；記號number 數(shù)number line 數(shù)線number pair 數(shù)偶number pattern 數(shù)型number plane 數(shù)平面number sy

42、stem 數(shù)系numeral 數(shù)字；數(shù)碼numeral system 記數(shù)系統(tǒng)numerator 分子numerical 數(shù)值的；數(shù)字的numerical expression 數(shù)字式numerical method 計(jì)算方法；數(shù)值法   O oblique 斜的oblique cone 斜圓錐oblique triangle 斜三角形obtuse angle 鈍角obtuse-angled triangle 鈍角三角形octagon 八邊形octahedron 八面體odd function 奇函數(shù)odd number 奇數(shù)one-one correspondence 一一對應(yīng)op

43、en interval 開區(qū)間open sentence 開句operation 運(yùn)算opposite angle 對角opposite interior angle 內(nèi)對角opposite side 對邊optimal solution 最優(yōu)解order (1)序；次序；(2)階；級ordered pair 序偶o(jì)rigin 原點(diǎn)outcome 結(jié)果output 輸出overlap 交迭；相交   P parabola 拋物線parallel 平行(的) parallel lines 平行(直線) parallelogram 平行四邊形parameter 參數(shù)；參變量partial

44、 fraction 部分分?jǐn)?shù)；分項(xiàng)分式polar coordinate system 極坐標(biāo)系統(tǒng)polar coordinates 極坐標(biāo)pole 極polygon 多邊形polyhedron 多面體polynomial 多項(xiàng)式polynomial equation 多項(xiàng)式方程positive 正positive index 正指數(shù)positive integer 正整數(shù)positive number 正數(shù)power (1)冪；乘方；(2)功率；(3)檢定力precise 精密precision 精確度prime 素prime factor 質(zhì)因子；質(zhì)因素prime number 素?cái)?shù)；質(zhì)數(shù)p

45、rimitive (1)本原的；原始的；(2)原函數(shù)principal (1)主要的；(2)本金prism 梭柱(體)；角柱(體) prismoid平截頭棱錐體probability 概率problem 應(yīng)用題produce 延長product 乘積；積product rule 積法則profit 盈利profit per cent 盈利百分率profits tax 利得稅progression 級數(shù)proof 證(題)；證明proper fraction 真分?jǐn)?shù)property 性質(zhì)property tax 物業(yè)稅proportion 比例proportional 成比例protractor

46、 量角器pyramid 棱錐(體)；角錐(體) Pythagoras Theorem 勾股定理Pythagorean triplet 畢氏三元數(shù)組partial sum 部分和partial variation 部分變(分) particular solution 特解Pascals triangle 帕斯卡斯三角形pattern 模型；規(guī)律pegboard 有孔版pentadecagon 十五邊形pentagon 五邊形per cent 百分率percentage 百分法；百分?jǐn)?shù)percentage decrease 百分減少percentage error 百分誤差percentage i

47、ncrease 百分增加percentile 百分位數(shù)perfect number 完全數(shù)perfecr square 完全平方perimeter 周長；周界period 周期periodic function 周期函數(shù)permutation 排列perpendicular 垂線；垂直(于) perpendicular bisector 垂直平分線；中垂線perpendicular line 垂直線pictogram 象形圖pie chart 餅圖；圓瓣圖pinboard 釘板place holder 補(bǔ)位數(shù)字place value 位值plan  (1)平面圖；(2)計(jì)劃plane

48、 平面plane figure 平面圖形plot 繪圖plus 加point 點(diǎn)point circle 點(diǎn)圓point of contact 切點(diǎn)point of division 分點(diǎn)point of intersection 交點(diǎn)point-slope form 點(diǎn)斜式polar axis 極軸polar coordinate plane 極坐標(biāo)平面polar coordinate 極坐標(biāo)系統(tǒng)   Q quadrant 象限quadratic equation 二次方程(式) quadratic formula 二次公式quardratic function 二次函數(shù)quadr

49、atic inequality 二次不等式quadratic polynomial 四邊形quantity 數(shù)量quartile 四分位數(shù)quotient 商；商式   R R.H.S 右radian 弧度radian measure 弧度法radical 根式；根號；根數(shù)radius, radii 半徑random 隨機(jī)random experiment 隨機(jī)試驗(yàn)random number 隨機(jī)數(shù)range 值域；區(qū)域；范圍；極差；分布域rate 率；利率ratio 比 ; 比率rational expression 有理式；有理數(shù)式rational function 有理函數(shù)ra

50、tional index 有理數(shù)指數(shù)rational number 有理數(shù)rationalization 有理化raw data 原始數(shù)據(jù)raw score 原始分（數(shù)）real axis 實(shí)軸real number 實(shí)數(shù)real root  實(shí)根reason 理由reciprocal 倒數(shù)rectangle 長方形；矩形rectangular block 長方體rectangular coordinate plane 直角坐標(biāo)平面rectangular coordinates 直角坐rectilinear figure 直線圖形recurrent 循環(huán)的recurring deci

51、mal 循環(huán)小數(shù)reduce 簡化reducible 可約的；可化簡的reference angle 參考角reflex angle 優(yōu)角；反角region 區(qū)域regular 正；規(guī)則regular polygon 正多邊形reject 舍去；否定relation 關(guān)系；關(guān)系式relative error 相對誤差remainder 余數(shù)；余式；剩余remainder term 余項(xiàng)remainder theorem 余式定理removal of brackets 撤括號；去括號repeated trials 重復(fù)試驗(yàn)resolve 分解revolution 旋轉(zhuǎn)；周轉(zhuǎn)rhombus 菱形r

52、ight angle 直角right circular cone 直立圓錐（體）right circular cylinder 直立圓柱（體）right prism 直立棱柱；直立角柱(體) right pyramid 直立棱錐；直立角錐(體) right-angled triangle 直角二角形root 根rotation 旋轉(zhuǎn)round angle 周角rounded number 舍數(shù)rounding(off) 舍入；四舍五入row 行；棋行rule 規(guī)則；法(則) ruler 直尺   S salaries tax   俸稅sample 抽樣；樣本sam

53、ple space 樣本空間satisfy 滿足；適合scale 比例尺；標(biāo)度；圖尺scalene triangle 不等邊三角形；不規(guī)則三角形scientific notation 科學(xué)記數(shù)法solution of triangle 三角形解法solve 解special angle 特殊角；特別角speed  速率sphere 球形；球面square (1)平方；(2)正方形square bracket 方括號square number 正方形數(shù)；平方數(shù)square root 平方根；二次根standard deviation 標(biāo)準(zhǔn)差；標(biāo)準(zhǔn)偏離secant 割second 秒se

54、cond quartile 第二四分位數(shù)(1)截面；截線；(2)截點(diǎn)section (1)截面；截線；(2)截點(diǎn)section formula 截點(diǎn)公式sector 扇式segment 段；節(jié)segment of a circle 弓形selling price 售價(jià)semi-circle 半圓semi-vertical angle 半頂角sentence 句；語句sequence 序列series 級數(shù)set square 三角尺；三角板shaded portion 有陰影部分shape 形狀side 邊；側(cè)sign 符號；記號signed number 有符號數(shù)significant figure 有效數(shù)字similar 相似similar figures 相似圖形similar triangles 相似三角形similarity 相似(性) simple equation 簡易方程simple interest 單利；單利息simplify 簡化simultane