After analyzed the effect of preload voltage and sweep voltage on the negative electrostatic spring stiffness, a method to dissociate mechanical stiffness from the system stiffness has been provided.

通过分析预载电压和扫频信号幅值对静电负刚度的影响，提出了从系统刚度中分离出挠性梁机械刚度的计算方法。

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This article analysed the positive and negative effect on libraries after China's entering WTO, and expounded the countermeasures to be taken accordingly.

本文分析了中国加入WTO后，对图书馆产生的积极影响和消极影响，并阐述了图书馆应采取的应变措施。

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Thinking these negative or positive thoughts will only change your love feelings a little bit and the effect will wear off after a short period of time.

这些负面或积极想法只会在边际上，微弱地改变你的爱意强度； 短时间后，这种效应就会减退。

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