Maglev chopper is the key component of maglev, and the concentrative embodiment of modern power electronics.
列车的关键组成，也是现代电力电子技术的集中体现。
Servo system combines the electrical motor theory with modern power electronics technique, sensor techniques, microprocessor techniques and advanced control theory.
伺服系统是电机制造技术、检测技术、电子电力技术、微处理器和现代控制技术相结合的产物。
The ultrathin wires, several nanometers in diameter, can be combined to form high-power electrodes for lithium-ion batteries like those used in many modern electronics.
这些导线直径只有几纳米，可用来合成现代电器中使用的锂电池的高能电极。
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