引起堆内构件振动的诸多因素都具有随机性和模糊性。
The factors which lead the vibration all have randomness and obscureness.
依据随机性和模糊性的基本概念，提出了当量概率密度函数的模糊可靠性分析方法。
Based on the concepts of randomness and fuzziness, a fuzzy reliability analysis method of probability density function equivalent is proposed in this article.
军事通信网规划方案评估是一个十分复杂的问题，涉及的很多因素具有随机性和模糊性。
To evaluate the layout scheme of military communications network effectiveness, which is related to so many incomplete and vague factors, is a complex question.
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