大多数实际电路可归类为线性电路。因此，对线性电路性能和线性电路分析的研究就具有理论和实际的双重意义。
Most practical circuits may be classed as liner. Therefore, a study into the properties and analysis of linear circuits is of both theoretical and applied interest.
提出了一种对RL C线性无源网络单、双重故障的诊断方法。
A method of single and double faults diagnosis in RLC linear network is pro posed.
应用所编制的程序，进行了平板、曲壳以及板式门架的双重非线性屈曲分析。
Using the correlative program, buckling analysis was made with plates, shells and portal frame made of plates.
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