尽管主、被动一体化振动控制的研究已开展多年，具有工程意义的软件化工作还很少。
Although approaches for the integrated passive and active vibration control (IPAVC) have been found in a lot of literatures, the program which can be used in pracitial engineering is still in short.
文中给出大量计算结果，并对不同的口径分布做了比较，得到了若干具有工程意义的重要结论。
The calculated results are presented and a comparison is made regarded to the power received by the aperture, and some useful results for engineering prac...
通过本文的设计分析，达到了减轻结构重量以及降低连接接头各钉孔边应力集中的双重工作目标，得到了若干具有工程意义的结论。
This research work reaches the dual destinations of decreasing the joint weight and the stress concentration, and provides some significant conclusions for engineering practice.
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