他们的运算结果是相同的，但是第一个代码片断要比其他片断运行的要快。

The results will be identical, but the first code segment will run faster than others.

youdao

单元测试(Unit Tests)(代码)是开发者编写用来对他们所做的程序进行功能测试的。

Unit Tests are written by the developers to test functionality as they write it.

youdao

单元测试(Unit Tests)(代码)是开发者编写用来对他们所做的程序进行功能测试的。

Unit Tests are written by the developers to test functionality as they write it.

youdao