The captioned paper argues that in the "Two Courses" teaching, there exists a real lack of effectuality, despite the misconception of an unreal lack of effectuality.

本文认为“两课”教学方面既存在“假缺乏”实效性的误解，更存在“真缺乏”实效性的现实。

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Applying CFD to simulate the fluid field of a inlet port in a kind of 385 diesel engine, and with 3d analog computing as well, we analyze these results and prove its effectuality.

本文利用CFD技术对某型号385柴油机的进气道流场进行了三维模拟计算，并对结果进行了分析，验证了其有效性。

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This review attempts to discuss the effectuality of surface plastic deformation strengthening treatment and the role of main influential factors for different original microstructure of steels.

综述了几种原始组织的材料表面形变强化的有效性，讨论了三个主要因素的作用和相互关系。

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