Cs is a large and rapidly-expanding field; once you've become confident in your abilities to program moderate-sized projects, a lot of topics open up to you.

计算机科学是一门范围很广，并且正在不断扩大的学科；一旦你有能力胜任中等规模的编程项目，就会发现对你来说有很多课题可以做。

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Now, if I have a moderate-sized project, I might use UML and a tool that supports UML to create enough class diagrams, sequence diagrams, and others to convey the design.

现在，如果我有一个中等规模的项目，我可能会利用UML和一个支持UML的工具来创建足够的类图、序列图以及其它图来传达设计。

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The rate of moderate-sized earthquakes is quite high, and there is a considerable likelihood that a magnitude 6 earthquake will cause damage if it strikes near a city.

中等程度地震频率相当高，也有可能发生里氏6级地震（如果发生在城市周围，会造成重大损失）。

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Pfizer has gone a decade spending more than any other company with only a handful of moderate-sized successes, including the pain medicine Lyrica and the cancer drug Sutent.

FORBES: Pfizer Pledges To Cut Research To Maintain Earnings

But he added that if you had a small star - as this one is - then a moderate-sized planet would block out enough light to be detected by telescopes.

BBC: Telescope sees smallest exoplanet