While we can simply watch the amount of memory used by a script by turning the system monitor on, it will not tell us anything more useful than the status of the entire system memory.

虽然我们可以通过启用系统监视器来简单观察内存的使用量，但是它不会告诉我们比整个系统内存状态更有用的任何内容。

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"They said EU special representatives should be sent to 20 nations on the bloc's security watch list to be on the look-out for burgeoning conflicts and act as an early warning system."

他们表示，欧盟特别代表须派出20个国家出现在欧盟的安全监视名单上，负责监视冲突的萌芽，并扮演一个早期预警系统的角色。

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Rarely, a horse may eat so much straw that it causes a blockage in his digestive system, which results in colic, so watch him at first to make sure he's not gorging on it.

马或许会因为吃了过量的麦秆而消化道出现梗阻，从而引发腹痛，这种情况很少见，但是最好是首先观察你的马，确保它不会狼吞虎咽的狂吃麦秆。

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The Environmental Protection Agency, is keeping a close watch on threats to the delicate eco-system along the coastline.

VOA: standard.2010.05.18

On the campaign trail he has repeatedly defended the Texas system, arguing that every inmate executed on his watch was guilty of a capital offence.

ECONOMIST: Election Briefing: Death penalty

Third, this in turn fed into shortcomings in the watch-listing system which resulted in this person not being placed on the no-fly list, thereby allowing him to board that plane in Amsterdam for Detroit.

CNN: Transcript: Obama outlines steps to prevent terrorism

To do that, the system essentially bombards the space with an array of wireless signals and keeps watch on any changes in signal strength, building up a "picture" of the room in the process.

ENGADGET: Researchers create Amazing X-Ray Wireless Network!