The results of the experiment of freight car's side frame under the single-grade vertical and level vibrating loads are used to prove the synthesis; and satisfactory results are achieved.
并用货车侧架在单级垂直和水平脉动载荷的实验结果对合成方法进行了部分验证，其结果是令人满意的。
2
By programming simulation, the single-grade and multi-grade circuits are analyzed, and it is the best moment for thyristor to switch on when the voltage of capacitor to be shorted is zero.
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