算例表明，随着杆件初弯曲的增大，其振幅值随之成比例增大，而其动力稳定性随之降低。

The calculating sample shows that along with the increase of bars' initial bending, the value of their amplitude increases proportionally and their dynamic behavior decreases.

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本文同时还对其中42个海城余震的初动半周期和初动振幅进行了测量并求出这些地震的震源参数，对二种方法得到的结果进行了比较。

Source parameters for 42 out of 59 events can be obtained by he two approaches, and their results are simply compared as well.

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