The leakage process of multilevel series seal is very complicated. Its leakage rule is important for design, leakage detection and sealing safety of multilevel series seal.
多级串联密封结构的泄漏过程非常复杂，其泄漏规律对多级密封结构的设计、检漏和密封安全评估等具有重要意义。
In the multilevel fuzzy comprehensive evaluation model the weights of indexes are ascertained by the analytic hierarchy process.
在多级模糊综合评判模型中，采用层次分析法来确定权重。
In the multilevel fuzzy comprehensive evaluation model the weights of indexes are ascertained by the analytic hierarchy process.
在多级模糊综合评判模型中，采用层次分析法来确定权重。
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