每秒传输30幅图象画面的电视系统，它必须工作于宽带电磁波谱。

Television systems, which transmit 30 picture frames per second, must operate on a broad electromagnetic spectrum.

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它毕竟是一个简单的球窝关节；它有一定的载荷；它在有限的生命中需要可靠性；它必须包含适合工作环境的材料。

It is after all a simple ball and socket joint; it has certain loads imposed on it; it needs reliability over a defined life; it must contain materials suitable for the working environment.

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要使它正常工作，供应商必须实现特定于其运行时的序列化技术。

To get this to work correctly, vendors must implement serialization techniques specific to their runtime.

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In other words, when you bite off your own project or when you start off by looking at someone else's projects, either that we looked at last week or some of the innumerable links we included in the specs, focus on just one piece of it, get that working, and then move on to the next.

换句话来说，当你开始着手去完成一件属于你自己的工程,或者，从参阅他人现在的作品，更或者是，参考工程设计书中,提到的无数链接，至关重要的一点是，你必须让它工作，然后再继续下一环节。

哈佛公开课 - 计算机科学课程节选