Time worked on this project for the specified time period.

此项目在指定时间间隔内的工作时数。

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If an event occurs during the specified time period, this method exits, returning the relevant WatchKey.

如果在特定时间范围内，有任何事件发生，这一方法存在，会返回相应的WatchKey。

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National Output - The total value of goods and services produced by an economy in a specified time period.

国民产出-总价值的商品和服务所产生的经济在指定的时间段。

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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

Potential Winner will be contacted via email and asked to provide their full name, age and mailing address within a specified time period.

ENGADGET: blogger-avatar

The shared appreciation feature gives the lender the right to the first, say, 40% of the appreciation of the collateral above the value of the debt over some specified future time period (say five or 10 years).

FORBES: Magazine Article

Glympse's location-sharing application enables users to share their location with anyone for a specified period of time.

ENGADGET: BMW and Mini cars add iOS integration for Audible, Glympse, Rhapsody and TuneIn