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本文通过对多种振动系统振动势能的分析和计算，指出振动势能是系统相对于平衡位置的各种势能增量之和，它只与位移（或角位移）有关，并可用一通式表示
In this paper, the vibration potential energy of a variety of vibration system is analyzed and calculated. It is pointed out that the vibration potential energy is the sum of various potential energy increments of the system relative to the equilibrium position. It is only related to displacement (or angular displacement) and can be expressed by a general formula