SAT数学考试常用词汇大全-中英文对照

1、Union并集SAT数学考试常用词汇大全SAT数学1有关基本运算:add, plus加subtract减difference差multiply,times乘product积divide除divisible可被整除的dividedevenly被整除dividend被除数divisor因子，除数quotient商remainder余数factorial阶乘power乘方radicalsign,rootsign根号roundto四舍五入tothenearest四舍五入2 .有关集合:proper subset真子集solution set解集3 .有关代数式、方程和不等式algebraic term

2、代数项like terms,similar terms同类项numerical coefficient数字系数literal coefficient字母系数inequality不等式triangle inequality三角不等式range值域original equation原方程equivalent equation同解方程等价方程linear equation线性方程（e.g.5某+6=22）画 4.有关分数和小数proper fraction真分数improper fraction假分数mixed number带分数vulgar fraction, common fraction普通分

3、数simple fraction简分数complex fraction繁分数numerator分子denominator分母(least)common denominator (最小)公分母quarter四分之一decimal fraction纯小数infinite decimal无穷小数recurring decimal循环小数tenthsunit十分位5 .基本数学概念arithmetic mean算术平均值weighted average加权平均值geometric mean几何平均数exponent指数，募base乘嘉的底数，底边cube立方数，立方体square root平方根cub

4、e root立方根common logarithm常用对数digit数字constant常数variable变量inversefunction反函数complementary function余函数linear一次的，线性的factorization因式分解absolute value绝对值，e.g. | -32 | =32round off四舍五入6 .有关数论；natural number自然数positive number正数negative number负数odd integer,odd number奇数even integer,even number偶数integer,whole n

5、umber整数positive whole number正整数negative whole number负整数consecutive number连续整数rea lnumber,rational number 实数,有理数irrational(number)inversecomposite number无理数倒数合数 e.g.4,6,8,9,10,12,14,15prime number质数 e.g.2,3,5,7,11,13,15倒数序数reciprocalcommon divisor公约数multiple倍数(least)common multiple(最小)公倍数(prime)facto

6、r(质)因子common factor公因子ordinaryscale,decimalscale 十进制nonnegative非负的tens十位units个位mode众数median中数common ratio公比7 .数列：arithmetic progression(sequence)等差数歹 Ugeometric progression(sequence) 等比数列8 .其它：Approximate近似(anti)clockwise（逆）顺时针方向cardinal基数ordinaldirectproportion正比distinct不同的estimation估计，近似parenthese

7、s括号proportion比例permutation排列combination组合table表格trigonometric function三角函数unit单位，位几何部分1.所有的角alternate angle内错角corresponding angle同位角vertical angle对顶角central angle圆心角interior angle内角exterior angle外角supplement aryangles补角complement aryangle余角adjacent angle邻角acute angle锐角obtuse angle钝角right angle直角roun

8、d angle周角straight angle平角included angle夹角2.所有的三角形equilateral triangle等边三角形scalene triangle不等边三角形isosceles triangle等腰三角形right triangle直角三角形oblique斜三角形inscribed triangle内接三角形有关收敛的平面图形，除三角形外Semicircle半圆concentric circles同心圆quadrilateral四边形pentagon五边形hexagon六边形heptagon七边形octagon八边形nonagon九边形decagon十边形po

9、lygon多边形parallelogram平行四边形equilateral等边形plane平面square正方形，平方rectangle长方形regular polygon正多边形rhombus菱形trapezoid梯形4.其它平面图形Arc弧line,straight line直线line segment线段parallel lines平行线segment of a circle弧形5.有关立体图形Cube立方体，立方数rectangular solid长方体regular solid/regular polyhedron 正多面体circular cylinderconespheresol

10、id6.有关图形上的附属物Altitudedepthsidecircumference,perimeterradiansurface areavolumearmcros sectioncenter of acirclechordradiusangle bisectordiagonaldiameteredge圆柱体圆锥球体立体的高深度边长周长弧度表面积体积直角三角形的股横截面圆心弦半径角平分线对角线直径棱face of a solid立体的面hypotenuse斜边included side夹边leg三角形的直角边medianofatriangle三角形的中线base底边，底数（e.g.2的5次方，2就是底数）opposite直角三角形中的对边midpoint中点endpoint端点vertex（复数形式vertices）顶点tangent切线的transversal截线intercept截距7.有关坐标coordinate system坐标系rectangular coordinate直角坐标系origin原点abscissa横坐标ordinate纵坐标numberline数轴quadrant象限