常用數(shù)學(xué)術(shù)語的英語表達(dá)

1、1 立方one cubic1 平方米o(hù)ne square metre幾何geometry點(diǎn)八、point線line面plane直線a straight曲線curved line近似值an approximate value垂直線a vertical水平線a horizontal line三角形的底the base of a triangle三角形的兩個(gè)腰the two sides of a triangle直角a rigt angle銳角an acute angle鈍角an obtuse angle長方形a rectangle正方形a square多邊形a polygon圓心the centr

2、e of a circle圓的直徑the diameter of a circle圓的半徑the radius of a circle半圓a semicircle弧an arc圓柱體a cylinder球體a spheroid常用加減乘除的英語表達(dá)：四加五等于九If you add 4 to 5, you get 9.或： If you add 4 and 5, you get 9.五與四的和是九4 and 5 are / make 9.或： The sum of 5 and 4 is 9.或： Four plus five equals nine.五減二等于三If you take 2 fr

3、om 5, you get 3.或： 5 minus 2 equals 3.五與二之差為三The difference between 5 and 2 is 3.二乘三等于六2 times 3 is / equals 6.或： 3 multiplied by 2 equals 6.二與三的積為六The proudct of 2 and 3 is 6.六除以二等于三If you divide 6 by 2, the answer is 3.或： If you divide 2 into 6, the常用數(shù)學(xué)術(shù)語的英語表達(dá)：answer is或： 6 divided by 2 equals 3.3

4、.比較兩個(gè)數(shù)字大小的英語表達(dá)：6 大于 56 is greater than 5.或： 6 is more than 5.6 小于 76 is less than 7.平方、立方及四次方的英語表達(dá)：3 的平方等于 9The square of 3 is 9.3 的立方等于 27The cube of 3 is 27.3 的四次方等于 81The fourth power of 3 is / equals 81.9 的平方根為 327 的立方根為 3平方根立方根的英語表達(dá)：The square root of 9 is 3.The cube root of 27 is 3.正比反比的英語表達(dá)：A

5、 is in direct proportion to B.A is in inverse proportion to B.A與B成正比A 與 B 成反比兩直線平行或垂直的英語表達(dá)：直線 AB平行于直線 CD Line AB is parallel to Line CD直線 AB垂直于直線 CD Line AB is perpendicular to Line CD 代數(shù)部分1。有關(guān)數(shù)學(xué)運(yùn)算 add,plusdifference product divisible dividend quotient factorial radicalsign,rootsign 根號(hào) tothe nearest

6、四舍五入subtract multiply,times divide 除 dividedevenly 被整除 divisor 因子，除數(shù) remainder power roundto2。有關(guān)集合union solution set 解集3。有關(guān)代數(shù)式、方程和不等式proper subsetalgebraic term numerical coefficient inequality 不等式 range equivalent equation 4。有關(guān)分?jǐn)?shù)和小數(shù)like terms,similar termsliteral coefficienttriangle inequality orig

7、inal equationlinear equation 線性方程 (e.g.5 x +6=22)proper fractionimproper fractionmixed number simple fraction numerator (least)common denominator( 最小 ) 公分母 decimal fraction recurring decimal5?；緮?shù)學(xué)概念 arithmetic mean geometric mean base square root common logarithm constant inversefunction linear 一次的，

8、線性的 absolute value 絕對值，6。有關(guān)數(shù)論 natural number negative number even integer,even number positive whole number consecutive number irrational(number) composite number 合數(shù) prime number 質(zhì)數(shù) e.g.2,3,5,7,11,13,15 不一定是質(zhì)數(shù) common divisor common factor nonnegative units median7。數(shù)列 arithmetic progression(sequence)

9、 等差數(shù)列 approximate cardinal directproportion estimation proportion combination trigonometric function8。所有的角 alternate angle vertical anglevulgar fraction,common fraction complex fraction denominator quarter infinite decimal tenthsunit 十分位weighted average exponent cube cuberoot digit variable 變量 compl

10、ementary function factorization e.g.|-32|=32 round off 四舍五入positive number odd integer,odd number integer,whole number negative whole number rea lnumber,rational number inverse e.g.4,6,8,9,10,12,14,15 注意：所有的質(zhì)數(shù) (2 除外 )都是奇數(shù)，但奇數(shù) reciprocalmultiple (least)common multiple( 最小 ) (prime)factor( 質(zhì) ) ordinar

11、yscale,decimalscale 十 進(jìn) 制 tens mode common ratio 公比geometric progressi on( seque nee)等比數(shù)歹 U (anti)clockwise( 逆) ordinal 序數(shù) distinct pare ntheses 括號(hào) permutation tableunit 單位，位幾何部分corresponding angle central angleinterior angle supplement aryangles adjacent angle obtuse angle round angle included angl

12、e 夾角9。所有的三角形equilateral triangle isosceles triangle oblique10。有關(guān)收斂的平面圖形，除三角形外 semicircle quadrilateral hexagon octagon decagon parallelogram plane rectangle rhombus11。其它平面圖形 arc line segment segment of a circle 弧形12. 有關(guān)立體圖形cube regular solid/regular polyhedron 正多面體 cone solid 立體的13. 有關(guān)圖形上的附屬物 altitu

13、de side radian volume cros ssection chord angle bisector diameter face of a solid included side medianofatriangle opposite endpoint tangentexterior angle complement aryangle acute angle right angle 直角 straight angle scalene triangle right triangle inscribed triangle 內(nèi)接三角形 concentric circles pentagon

14、 heptagon nonagon polygon equilateral square regular polygon trapezoid 梯形 line,straight line parallel lines rectangular solid circular cylinder spheredepth circumference,perimeter surface area arm center of acircle 圓心 radius diagonal edge 棱 hypotenuse leg 三角形的直角邊base底邊，底數(shù)（e.g.2的5次方，2就是底數(shù)） midpointve

15、rtex（ 復(fù)數(shù)形式 vertices） transversalintercept 截距14. 有關(guān)坐標(biāo) coordinate system origin ordinate quadrant complex plane 復(fù)平面15. 其它 plane geometry bisect inscribe 內(nèi)切 perpendicular congruent 全等的 其它1. 單位類 cent nickel5 dozen 打 （12 個(gè)） Centigrade quart yard 碼 micron foot squaremeasure pint 品脫 （ 干量或液量的單位 ）2. 有關(guān)文字?jǐn)⑹鲱}，主要是有關(guān)商業(yè) intercalary year（leapyear） 閏年 （366 天 ） depreciation discount profit simple interest dividend decrease by increase by list price per capita retail pricerectangular coordinate 直 角 坐 標(biāo) 系 abscissa橫坐標(biāo) numberline slopetrigonometry circumscribe intersect pythagorean theorem 勾 股 定 理