A numerical computation method of the natural frequency and the loss factor of the sandwich plate with constrained damping layer is given in this paper.
给出了约束阻尼夹层板固有频率和损耗因子的一种有限元计算方法。
Using the database system of key point meters, the method of equivalent power is amended and used for the fast computation of transmit electricity line-loss.
利用关口电度表数据库提供的便利条件，对等效功率法进行了改进，并将其用于对输电网线损的快速估算。
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