许多化装舞会是用的面具是用材料做的。
So many masquerades people had worn mask what is made by some material.
用实例详细介绍了加氢过程模拟软件及加氢裂化装置专家咨询系统两种计算机软件的功能及作用。
The features and roles of two softwares of the hydrogenation process simulation and the advisory expert system for hydrocracking unit were introduced in detail with examples.
用动态优化的方法求解催化裂化装置再生器的工艺裕量与控制设计。
The problem of margin analysis and control design of FCC regenerator was solved through multi-objective mixed-integer dynamic optimization.
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