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2017雅思试题词汇:数学(4)

来源 :中华考试网 2017-05-29

  permutation

  n.排列;置换

  Permutation is an ordered arrangement of the elements of a set.

  排列是指集合元素的有序排序方式。

  quadrant

  n.象限;四分仪

  quotient

  n.商

  A quotient is the number obtained by dividing one quantity by another.

  商是通过将一个数除以另一个数得到的数字。

  fraction

  n.分数

  decimal

  adj.十进制的 n.小数

  The metric system is a decimal system.

  公制是一个十进制系统。

  diameter

  n.直径

  ellipse

  n.椭圆,椭圆形

  radius

  n.半径

  A line segment that joins the center of a circle with any point on its circumference is a radius.

  半径是指连接圆心和圆周上任意一点的线段。

  vertical

  adj.垂直的(perpendicular, upright)

  Vertical communication happens between subordinates and superiors.

  发生在上下级间的纵向沟通。

  deduction

  n.减

  statistics

  n.统计学;统计表

  even

  adj.偶数的

  2,4,6,8 etc. are even numbers.

  2,4,6,8等是偶数

  odd

  adj.奇数的,单数的

  1,3,5,7 etc. are odd numbers.

  1,3,5,7等是奇数。

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