However, due to the excrescent side lobe, the current drive efficiency is lower.
但由于存在多余副瓣，驱动效率较低。
Its advantages are high drive efficiency, soft start of electric motor, and overload protection.
本偶合器传动效率高，可实现电动机软启动，过载保护。
Some kinds of vibration mechanism were introduced and drive efficiency of vibration mechanism was calculated and analyzed.
本文介绍了振动机构的几种形式，并对振动机构的传动效率进行了计算与分析。
Some kinds of vibration mechanism were introduced and drive efficiency of vibration mechanism was calculated and analyzed.
本文介绍了振动机构的几种形式，并对振动机构的传动效率进行了计算与分析。
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