Class libraries are reusable, but with the caveat that they be bounded by the language runtimes.

类库是可以重新使用的，但他们可能被限制于语言运行时环境。

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The area will be bounded by a ring-shaped bypass and have an internal one-way traffic system running in opposite directions.

这个区域将被一个环型的小道包围和有一个内部的单行交通系统在它相反的方向运作。

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The second stage foundation pit of the TGP will be bounded by the upstream and downstream transverse cofferdams and the longitudinal concrete cofferdam.

三峡工程二期上下游横向围堰与混凝土纵向围堰共同形成基坑，保证二期工程施工。

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The fairway is bounded by rough and there may be other hazards such as bunkers and streams, not to mention wind and rain.

BBC: The course