旅客列车开行方案评价指标体系是评价和优化开行方案的基础。
Evaluation index system of passenger train operation plan is the basis for evaluating and optimizing passenger train plan.
采用模糊集理论建立了适应度函数，并对装配序列进行评价和优化。
Then, fitness function was built according to fuzzy set theory and assembly sequence was evaluated and optimized.
提出了基于模糊理论的装配工艺评价模型，对可能的装配工艺进行评价和优化。
This paper also proposes evaluating model based on fuzzy theory, which is used for evaluating and optimizing the possible assembly process.
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