If the two media have really different densities, like air and water, then most of the energy is going to be reflected back, very little of it will keep going and get transmitted into the new medium.

而如果这两种介质的密度相差较大，就像空气和水那样，那么大部分的能量将会折射回来，只有一小部分会继续传播进入到新的介质中。

youdao

If you set up separate CSX tasks, it is then possible to configure different active time periods in the CSX task definition panel.

如果设置不同的CSX任务，那么就可以在CSX任务定义面板中配置不同的活动时间段。

youdao

You can then use this string as-is or transform it into a different date format for use in the resulting document.

然后，可以“按现状”使用该字符串，或者将其转换成不同的日期格式，以便于在生成的文档中使用。

youdao

But how is it then to meet someone at a different religion and different political persuasion, and yet still be able to be kind to one another.

那你们遇见来自不同宗教,不同政治倾向性的人是什么感受，而且你们仍然可以彼此成为朋友。

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Well tell me some of the ways, how is it different now then my boyhood with just the Saturday morning cartoons?

给我说说这些不同之处,它与我小时候在周六早上,播放的动画有什么区别呢

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Take the example of "plastic" again: "Oh, gee, that's a strange word," we say, so we go to the OED , we see it meant something different then, our problem is solved, and we continue.

再拿“塑料“来举例：,我们说，“哦，那是个生词“,所以我们去查牛津大学英语词典，我们发现它有些不同的意思，问题解决了，我们继续下去。

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So far, then, it is different this time.

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It was a different environment then: oil was much cheaper than it is today and the newly independent country needed all the investment and help it could get.

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