The gas molecules are later bombarded with calibrated laser beams, which makes them vibrate. This Produces a soundwave picked up by the microphones.

 
  • 然后用標定的激光束去轟擊氣體分子,產(chǎn)生振動(dòng),形成麥克風(fēng)能夠探聽(tīng)到的聲波。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan