And it can provide signal to sonar system for the use of function check and capability test.

同时还生成并向声纳系统提供这些信号作为声纳功能检查或性能测试之用。

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You're passing the name of the tag being created to the new function check (which you'll define in a moment).

您将创建的标记名称传给新函数check(这个函数稍后将做定义)。

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We will use this function to check every portion of the source area for motion.

我们将使用这个函数检查源区域的每个部分，从而判断是否有运动。

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This may encourage more members to use the mobile app's GPS-powered check-in function which competes with Foursquare.

BBC: Facebook news feed revamp learns lessons from mobile

Sarah Mullally, Chief Nursing Officer for England, said that currently a specialist asthma nurse treating a child can check their lung function and advise on ways to reduce attacks - but cannot write a prescription for an inhaler.

BBC: Prescribing shake-up planned

Central banks' second function is macroeconomic stabilisation, setting interest rates to keep inflation in check without causing the economy to stop and start.

ECONOMIST: CSI: credit crunch | The