它可以通过由人们呼吸和心跳所引发的，反射无线电波产生的扭曲，来探测障碍的另一边是否有人存在。
It can detect the presence of people on the other side of a barrier by distortions to the reflected radio waves caused by their breathing or heartbeat.
特别是老年人，心功能减退、血管硬化及血压反射调节功能障碍，餐后多出现血压下降等现象。
Especially to old people the heart function fails vascular sclerosis and blood pressure reflect the regulating function obstacle blood pressure decline appear more if doing a sport after the meal.
临床表现以发热、腹泻、肢体感觉障碍、深部腱反射减弱或消失为主。
The main clinic signs were fever, diarrhea, sensorial disorder of extremity, weakened or disappeared deep tendinous reflect.
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