The main requests of the In-Wheel-Motor are small size, high speed and high power density.
轮毂电机要求体积小、转速高、功率密度高。
They are also called battery capacitors, for their high energy density and high power density.
它具有比静电电容器大得多的能量密度，又有比二次电池大得多的功率密度。
The high energy density aluminum-water power system is especially suitable for underwater propulsion.
铝水推进系统具有能量密度高的优点，尤其适用于水下推进。
Lower power loss material with high saturation flux density.
低磁芯损耗，饱和磁通密度较高。
High phase order power transmission is an important method to increase the power density transmitted.
多相输电是提高输送功率密度的重要方法。
High phase order power transmission is an important method to increase the power density transmitted.
多相输电是提高输送功率密度的重要方法。
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