The method of equivalent network for calculating steady heat of electric apparatus is used to provide an efficient and exact way for heat design of complex electric apparatus.
电器稳定发热计算的等效热网络法，为结构复杂及场路混合的电器热设计提供了一种高效准确的有效途径。
Based on the theory of four-end network, the equivalent electric circuit diagrams of the horn are given by using the analogous method between methanical force and electric.
依据四端网络的基本原理，利用力电类比的方法，给出了复合变幅杆的等效电路图；
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