revolutions per second 中文意思是什麼
revolutions per second
解釋
每秒旋轉次數-
The shaft and discs rotate at about forty revolutions per second.
豎軸和磁盤每秒鐘大約旋轉40轉。 -
The whole drum rotates at a steady speed of about sixty revolutions per second.
整個磁鼓大約以每秒60轉的恆定轉速旋轉。
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