找到一个命令行工具，可以为你做转换。

Find a command line tool which can do the conversion for you.

youdao

此外它们通常会以本地的代码来实现，因此不能以“JRuby”的方式做转换。

Also they often are implemented in native code and cannot be transformed in the "JRuby" way.

youdao

用来做转换范例的 WorldClock portlet 是一个简单的 portlet，实现了简单的功能，因此是转换的一个良好范例。

The WorldClock portlet used as an example for the conversion is a simple portlet with basic portlet functionality and thus provides a good example of a conversion.

youdao

And we can simplify this expression as saying negative e squared over 4 pi, epsilon nought r squared. Epsilon nought is a constant, it's something you might see in physics as well.

也会遇到它,在这里，你可以就把它,理解为一个转换系数,我们需要做的。

麻省理工公开课 - 化学原理课程节选

If I'm expecting mostly numbers in, I can certainly try and do the coercion.

数字输入，我能够肯定的来做强制转换。

麻省理工公开课 - 计算机科学及编程导论课程节选

If you want to do the opposite process, you simply "cast to an int from a char."

如果你想做相反的转换，你就告诉计算机,“把那个char型数据转换成int型处理“

哈佛公开课 - 计算机科学课程节选