In Listing 4, firstname is a string that is specified at runtime.

在清单4中，firstname是一个在运行时指定的字符串。

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Dynamic proxies are classes that implement a set of interfaces specified at runtime.

动态代理是这样一种类，它可以实现在运行时指定的一组接口。

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The maximum number of synonyms must be specified at the time of the creation of the table.

同义词的最大数量必须在表创建时指定。

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But it's only an effective vaccine in the context where you have people who can go to the doctor's office, or to an urgent care, some kind of medical facility, three times, reliably, at a specified period of time.

但为了保证接种效果,人们必须亲自去诊疗室,或者在急诊室里,使用一些医学设施辅助接种,还需要接种三次,它只在一段时间内有效

耶鲁公开课 - 生物医学工程探索课程节选

Canada requires American agents to deposit their sidearms at specified border crossings even if they are in hot pursuit of criminals.

ECONOMIST: Canada and the United States

Auto Loop: tracks can be automatically looped at specified positions.

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Stock options give holders the right to buy shares at a specified price, known as the strike price.

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