振子由于受到阻尼的作用，能量不守恒。分析了振子在过阻尼和临界阻尼情况下的非周期衰变运动。

Affected by damping, the energy vibrator is no longer eternally fixed. This article analyses its irregular attenuated movement in the condition of over damping and critical damping.

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本文建立湿位涡方程、提出不守恒基本判据、分析不守恒运动的动力特征，尤其指出在湿中性层结区域非绝热加热和外作用力场对运动的激发作用。

In this paper a set of equations of wet potential vorticity is founded, the basiccriterion of non-conservation is set up, and the dynamics character of the non-conservationmotion is analysed.

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