This paper deals with the stability for the stochastic models of economical optimization.
本文研究随机经济模型的稳定性。
The structure optimization design based on this assessment is not only economical but also safe and liable.
基于这种评价的结构优化设计，不但经济，而且安全可靠，其结果更符合实际情况。
The plan carrying on the fuzzy reliability optimization design to the spur gear drive will be more economical, reasonable and suitable.
对直齿圆柱齿轮传动进行模糊可靠性优化设计，设计出的方案更经济、合理、适用。
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