It's a trivial matter, by looking at what is the weight and how far does it drop, to say OK, how much work is done by the paddlewheel.

这是一个很简单的问题，通过观察重量是多少以及它下降了多远，来确定桨轮做了多少功。

youdao

Most of the cutting is done by number control (N/C).

大多切割都是数控的。

youdao

The matching is done by name.

通过名字来匹配。

youdao

And,in fact, if we added in taking notes and doing tests in class, most of the writing done in school is done by hand."

VOA: special.2009.10.29

So, it's a trivial matter, by looking at what is the weight and how far does it drop, to say OK, how much work is done by the paddle wheel.

好，让我们看看重物的质量,以及它下落的距离，就知道桨轮做了多少功。

麻省理工公开课 - 热力学与动力学课程节选

So the running of the country is done by Parliament.

所以，国家的运转是由议会完成的。

政府和皇室的作用 - SpeakingMax英语口语达人

Planning for their needs is done by the vendors, not by their IT departments.

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Currently the work is done by the conseillers, who are all unpaid, and some part-time secretaries.

BBC: Sark civil servant post to be discussed again

Competence: to ensure the reporting is done by a qualified person based on experience and knowledge.

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