Put the material need to be analyzed and tested into the top of the screen and screen cover, and then placed inside the base in the earthquake sieve.

将需要分析化验的物料倒入最上层的筛内盖好筛盖，然后安放在振筛机座内。

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And when you just wanted to read a document or email, a clear protective screen cover would flip into place so that you couldn't accidentally tap the touchscreen surface.

当你阅读文档或电子邮件时，可以把透明的屏幕保护罩翻转过来，以避免不小心碰到触摸屏。

youdao

Now, we'll cover these concepts in greater detail later, but you should be getting the idea that I don't want you to just film dancers on stage and turn it in as your screen dance project.

现在，我们将在后面更详细地介绍这些概念。但是你应该知道，我不希望你只是拍摄在舞台上的舞者，然后把它当成你的银幕舞蹈项目来提交。

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Real Screen may cover it.

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Instead, you make a similar statement by displaying your mobile phone, with its carefully chosen ringtone, screen logo and slip cover.

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