这个升级将需要对飞机的连接器件和控制开关线路进行一些小改动。

This upgrade will require some light modifications to the Aircraft connecting harness and the control switch wiring.

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由于电子开关线路的导通次序是与转子转角同步的，因而起到了机械换向器的换向作用。

Because of the electronic switch the order of conduction lines are synchronized with the rotor Angle, which has played a mechanical commutator to the role exchange.

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通过对开关布局问题的研究，来解决一类象开关线路一样比较特殊，比较复杂的布局优化问题。

The layout problem of switches is studied in order to solve a kind of problem as special and complicated as the problem of optimization layout about switch circuits.

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