Question : The service charge of Dazhong taxi electric control service being only 4 Yuan, will that effect the service quality of the hotel to the customers?

问：大众出租车电调业务需要收取4 元服务费，是否会影响宾馆对客人服务质量？

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We only need consider electron as carrier of electric charge in former electron transporting process, but in GMR effect, electron not only is the carrier of electric charge, but also has spin.

在以往的电子输运过程中，人们仅需要考虑电子作为电荷的载体，但在巨磁电阻效应中，电子不仅是电荷的载体，而且具有自旋。

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The electric charge accumulation effect in RTD was introduced. The electrical voltage redistribution along the device as charge accumulated was analysed by sequential tunneling model.

介绍了共振隧穿二极管（RTD）中电荷积累效应，利用顺序隧穿模型分析了RTD中有电荷积累时器件各部分电压的再分布；

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