The article describes the vector control mode, coordinate transformation, speed and current control etc. The features above have been proved by overload experimental running.

叙述了矢量控制方式，坐标变换，速度及电流控制等，通过负载试验运行结果证明了这种变频器的特点。

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To coordinate, organize and oversee a smooth running of the activity.

组织，协调和管理好活动，使活动顺利进行。

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Before Galileo began running balls down an inclined plane to measure changes in velocity, and before Descartes developed his coordinate system, the German Jesuit Christoph Clavius, designed the mathematics curriculum for the major universities of Europe.

FORBES: A Long Forgotten Father of the Scientific Revolution