实数的英文：
real

Of, relating to, or being a real number.
实数的实数的、是实数的或与实数有关的

NumBer line
实数直线

We assumed that E is a real number.
我们假定E是实数。

We say that the real number system is a continuum.
我们讲，实数系是一个连续集。

Integers, rational numBers, and irrational numBers are all real.
整数、有理数和无理数都是实数。

In pascal, a collection of nonreal scalar elements,called members
在pascal语言中,称为成员的非实数标量元素的集合。

An expression that requires real ( decimal ) numbers ; the decimal point is required part of the number.
需要实数(十进制)的一种表达式,十进制小数点是所需该十进制数的一部分。

A real number that is the quotient of an integer divided by an integer other than zero.
一种实数，它是一个整数除以另一个非零整数所得的商。

We have to distinguish between the propagating modes with real valued , and the evanescent modes with imaginary
我们必须分别考虑具有实数β的导模和具有虚数β的消失模。

An expression that is the sum of a real number and a vector and that contains four terms, one real and three imaginary.
四元数一实数和一矢量的和的表达式，有四个项，一个为实数项，另外三个为虚数项

Are they real, or fake?
它们是真的吗？ 还是假的？

That is a real twister.
那真是个难题。

This is a real macho!
这才是真正男子汉！

For real this time.
这次是真的了。

But where are the cut off in real time and real space?
但真实时间和真实空间内的界限在哪里呢？