In the wake of Sunday's waves, there have been calls to set up a system that would monitor the Indian Ocean for undersea quakes and alert the countries around its rim.

随着周日海啸的发生，已经有人呼吁建立监控印度洋海底地震并警示周边国家的警报系统。

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They used a computerized system to monitor over time the position of starved or well-fed flies as the flies circled around a droplet of apple cider vinegar, which served as a delectable food source.

他们采用一套电脑系统对处在饱足或饥饿状态的果蝇在美味食物资源- - -一滴苹果醋周围的位置随时间的变化进行监测。

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Methods: Using CCD camera to monitor surgical process and build a automatic feedback control system for judging the sudden change of color or brightness around laser hole.

方法：提出采用面阵CCD实时监视手术过程，并建立了孔切穿时色彩突变或亮度突变的识别反馈控制系统。

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Another factor that needs considering is the level of lightning activity in early February in the region around Rome - something the UK's Met Office is able to monitor and record with the help of a system of sensors dotted around Europe.

BBC: What is the chance of lightning striking St Peter's?

In the wake of Sunday's waves, there have been calls to set up a system that would monitor the Indian Ocean for undersea quakes and alert the countries around its rim.

ECONOMIST: Deluged without warning | The