The direct and indirect coupling loss factors of a coupled system with three substructures are predicted by using this method, and the measured data agree well with the predicted results.

以三子结构耦合系统为例进行了实验测量，直接、间接耦合损耗因子和结构振动响应的实验测量值与理论预测结果吻合较好。

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The transient heat transfer process of piston set-cylinder liner system in gasoline engine was researched with direct coupling finite element method (FEM).

采用直接耦合的有限元分析方法对一汽油机的活塞组—气缸套系统的瞬态传热过程进行了研究。

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The suction is provided by a suction unit of the side channel blower type, with direct coupling between the fan and the motor shaft and no transmission system.

吸尘系统是旁路鼓风马达，是由风扇和马达轴直联而成，没有传输装置。

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