the rational numbers的意思|示意

When first meet negative numbers, students have difficulty understanding both the meaning of negative numbers and the rules of operation between rational numbers.

学生初次接触到负数的概念时，对理解负数的意义及有理数的运算法则都会产生困难。

In the rational class, then, four operations have been defined for rational Numbers.

在rational类中，为有理数定义了4种操作。

The most interesting data is the processor utilization numbers for the machine running the Rational Quality Manager application.

最有趣的数据是运行 Rational Quality Manager 程序的机器所用的处理器使用数量。

The mathematics of integers, rational Numbers, real Numbers.

算术整数，有理数，实数。

For this reason, we say that the set of rational numbers is an ordered field.

因此说有理数集是一个有序的域。 序公理 。 因此说有理数集是一个有序的域 。

Objective:To direct scientific and rational use of insecticides, the cardinal numbers and status of resistance of Blattella germanica to 4 different insecticides were determined in Urumqi.

目的：了解乌鲁木齐市德国小蠊对常用杀虫剂的抗药性基数和现状，指导科学、合理使用杀虫剂。