本文对船舶辅助推进系统(APD)作了简略的介绍，并对于在APD工作模式下，如何顺利起动大功率电机，以及如何成功接排进行了详尽的说明和分析。

This article gives brief introduction to ship's auxiliary propulsion device (APD), and describes how to start high powered motor and make good arrangement under APD working mode.

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本调查旨在以玩家的角度对网络游戏收费模式的偏好做一个简略地研究调查。

The research is conducted for the preference of revenue model from the players perspectives.

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