Paper introduces a technique of the normal four-wheel tractor equipped with exhaust gas controlling device and designs a computer safety monitor system.

论述了在普通四轮拖拉机上加装废气控制装置的技术，设计了一种相配套的计算机安全监测系统。

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The system may precisely monitor water level and pump on off status, playing an important role in safety production dispatching.

该系统可准确地监测水位大小及水泵的开关状态，对安全生产调度起着很重要的作用。

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Along with society's progress, people have more requirements for the safety of life and the working conditions. The importance of monitor system appears especially prominently.

随着社会的进步，人们对生活和工作环境安全要求不断提高，监视系统的重要性就显得格外突出。

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FDA, and the medical system as a whole, to monitor the safety of drugs after they have been approved, and about the power of the regulator to mandate changes to drug labelling and advertising.

ECONOMIST: Pharmaceuticals