As the user moves off center, the signal fades, just as the light from a flashlight gets dimmer as you step away from the direction in which it is pointed.

 
  • 當用戶(hù)離開(kāi)波束中央時(shí),訊號會(huì )跟著(zhù)變弱,就好像你離開(kāi)手電筒指的方向,也會(huì )覺(jué)得光線(xiàn)變弱一樣。
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