GRE数学词汇汇编（二）

arithmetic mean算术平均值?

weighted average加权平均值?

geometric mean几何平均数?

exponent指数，幂?

base乘幂的底数,底边?

cube立方数，立方体?

square root平方根?

cube root立方根??

common logarithm常用对数??

digit数字?

constant常数?

variable变量

inverse function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｜=32?

round 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 number整数?

positive whole number正整数?

negative whole number负整数??

consecutive number连续整数?

real number, rational number实数,有理数?

irrational(number)无理数??

inverse倒数?

composite number合数 e.g.4,6,8,9,10,12,14,15……?

prime number质数e.g.2,3,5,7,11,13,15……注意：所有的质数(2除外)都是奇数，但奇数不一定是质数

reciprocal倒数??

common divisor公约数?

multiple倍数?

(least)common multiple(最小)公倍数??

(prime)factor(质)因子?

common factor公因子　?

ordinary scale, decimal scale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)等差数列?

geometric progression(sequence)等比数列??

8. 其它

approximate近似?

(anti)clockwise(逆)顺时针方向?

cardinal基数?

ordinal序数

direct proportion正比?

distinct不同的?

estimation估计，近似?

parentheses括号

proportion比例?

permutation排列?

combination组合?

table表格?

trigonometric function三角函数?

unit单位,位