After analysing the linear oscillator in the overdamping states, it is concluded that under the special initial conditions the linear oscillator can cross the position of equilibrium only once;

从能量出发 ，分析线性振子的临界阻尼特性 ，从而证明 ：在特定条件下处于临界阻尼状态的线性振子能越过平衡位置一次 ；

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After analysing the linear oscillator in the overdamping states, it is concluded that under the special initial conditions the linear oscillator can cross the position of equilibrium only once;

从能量出发 ，分析线性振子的临界阻尼特性 ，从而证明 ：在特定条件下处于临界阻尼状态的线性振子能越过平衡位置一次 ；

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