你应该每月使用测试按钮，看看闹钟和电池是否还在运转。

You should use the test button each month to see if the alarm and batteries are still working.

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这时就需要定义和使用测试套件。

This is where you need to define and use test suites.

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图2显示了使用测试用例范畴的实例。

Figure 2 shows an example of using test case categories.

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You are allowed to use on the test the official version of the Periodic Table of the Elements which most of you should have by now.

在测试中你们可以使用,化学元素周期表的官方版本,你们应该大部分都有了吧。

麻省理工公开课 - 固态化学导论课程节选

I don't have to go read what it printed out in the screen. This has returned a value that I can use. Because I could do a test to say, is this a return value? If it's not, I'll do something else with it. So the binding is still there, it simply doesn't print it out.

我不想读到屏幕中打印出来的这行字,程序返回过一个我能够使用的值,因为我可以做个小测试，来说明这是否是返回的值，如果不是，我可以做一些其它的事,而这个绑定依然在这儿，没有打印任何东西。

麻省理工公开课 - 计算机科学及编程导论课程节选

Is there a limit to the type of calculator one can use during the test?

我们能在测试中使用的计算器,有没有什么限制？

麻省理工公开课 - 固态化学导论课程节选