今天我们将接头水压、(气压)试验问题。

Today we shall discuss the question of hydraulic (pneumatic) test.

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实验结果证实该方案能很好的解决直流电源出厂试验问题。

The experimental results verify that some questions in some applications such as DC power source performance test are well solved.

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如果美国在核试验问题上还给自己留有余地，那么，主张他国废除核试验，美国就更难开口了。

Keeping America's testing option open makes it harder to argue that other states should abandon theirs.

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So a bit of uninteresting math, a bit of focus on sizes of types, but any questions on syntax or concepts thus far before we now put this to the test?

一些比较无趣的数字，一些关于类型的大小,在我们现在进行试验之前,你们对这其中的语法或概念有什么问题吗？

哈佛公开课 - 计算机科学课程节选

Now, the problem, or one of the challenges with clinical trials of vaccines is that you have to enroll a lot of patients into clinical trials because only a few are going to get sick in any case, only 20 out of 100,000.

现在的问题是,这也是疫苗临床试验的挑战之一,临床试验必须包括足够多的病人,毕竟只有一小部分人会被传染,十万人里面只有二十人被传染

耶鲁公开课 - 生物医学工程探索课程节选