介绍了系统的构成方案、霍尔传感器和温度测弛缓的原理。
The design scheme of the system, the principle of temperature measurement and Hall sensor measurement are introduced.
轮箍弛缓的发生将会引起机车脱轨甚至颠覆的重大安全事故，因此监测轮箍的弛缓状况对保障铁路行车安全具有重大意义。
Tyre loose results in serious security accidents of locomotive digression, so it is significant to monitor the condition of tyre loose for safe driving on railway.
重要的是，中部非洲和非洲之角的国家要加强急性弛缓性麻痹监测，以便快速发现脊灰病毒的输入情况并便于及时采取应对措施。
It is important that countries across central Africa and the Horn of Africa strengthen AFP surveillance in order to rapidly detect any poliovirus importations and facilitate a timely response.
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