Advanced the mathematical model of the hydraulic components life estimation method and established the relations of the system target cleanliness to the life extension coefficient.

给出了现场条件下液压元件寿命估算的数学模型和系统目标清洁度与寿命延长系数的关系。

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On the basis of that fuzzy judgement, a kind of ideal point method for solving the mathematical model of multi target fuzzy optimal design was advanced, and its detailed solving method and steps...

基于该模糊判决，提出了一种多目标模糊优化设计数学模型求解的理想点法，给出了其详细求解方法和步骤。

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