针对预测多种尺度颗粒随机分布复合材料等效热传导参数的难点，提出了一种多尺度有限元方法。

A finite element (fe) method for the prediction of the equivalent heat transfer parameters of the composite material with random multi-scale grains was presented.

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结论：传导速度是较敏感的术中监测参数。

Conclusion: Conduction velocity is a sensitive parameter in intraoperative monitoring.

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研究了开关电源中印刷电路板寄生参数及功率器件瞬态特性产生的传导电磁干扰现象。

Conducting Electromagnetic Interference (EMI) in switching power supplies caused by parasitic parameters and transient characteristic of power electronic elements is studied in this paper.

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