return-beam tube 回束摄象管
return beam vidicon camera 反束光导管摄影机 ; 回讯摄影机
return beam vidicon 回束管 ; 反束光导摄像管 ; [电子] 返束视像管 ; 返回射束光导摄像管
electrostatic return beam camera tube 静电学 ; 静电相斥
return-beam cameratube 返回电子束摄像管
return-beam U tube 回束摄象管
RBV Return Beam Vidicon 反束光导摄像管
laser hole drilling return beam 返回激光束
return beam vidicon television camera 反束光导摄像管电视摄像机
A proximity sensor often emits an electromagnetic or electrostatic field, or a beam of electromagnetic radiation (infrared, for instance), and looks for changes in the field or return signal.
一个接近性传感器通常会发出电磁或静电场,或电磁辐射光束(例如红外),以及在外地或返回信号的变化看。
In that case, the array would transmit to the wrong beam, and the user might miss the return signal entirely.
在这种状况下,阵列就会把讯号发射给错误的波束,使得用户完全收不到传回的讯号。
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