Apart from the electrode weight and length variation, the electrode configuration variation is one of the main controlling parameters.

除了要控制电极的失重及长度变化之外，特别要控制电极形状的变化。

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The movement direction of electrode is controlled by the piezoelectric actuators. The device features miniaturization, simple structure, light weight, and high response.

电极的进给方向由两个压电驱动器的振动方式来决定。该装置具有体积小、重量轻、结构简单、响应速度快等优点。

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