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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Watch tutorial videos (click on the video icon) of what are the things you can do to know about the features of the operating system.

观看教程视频(单击“Video”图标)可以做进一步了解操作系统的功能。

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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!