最后根据滴外形法的理论，借助最优化等数学工具，得到熔体表面、界面性质参数。
Finally, according to the theory of drop shape method, with the mathematical instrument of optimization, the parameters of melted liquid cuerve is obtained.
在引入模糊优化理论的基础上，建立了齿轮的模糊优化数学模型，采用两级模糊综合评判和最优水平截集法，将其转化为常规的优化模型。
Based on the fuzzy optimal theory, the model of gear fuzzy optimum design is set up. With fuzzy comprehensive evaluation and optimal cut set, the model is transformed to general optimization.
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