indented cylinder 中文意思是什麼
indented cylinder
解釋
窩眼式滾筒, 選糧筒-
When edison spoke into the mouthpiece, the sound vibrations of his voice would be indented onto the cylinder by the recording needle
當愛迪生對著送話口說話時,唱針會將他的聲音震動刻劃在滾筒上,使其形成波紋。
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