This approach is based on the principles of separation of concerns, refining iterative information but mainly on the exploitation of multiple specialized representations of the same model.
这种方法基于的是关注点分离和完善迭代信息的原则，但主要还是从多个特定视角去挖掘统一模型。
The production technologies for multiple petrochemical raw materials were introduced with the theoretical mechanism explained by conversion of chemical structures in the refining process.
介绍了炼油过程中多产石油化工原料的有关工艺技术，从化学结构转化角度阐明了理论依据。
The production technologies for multiple petrochemical raw materials were introduced with the theoretical mechanism explained by conversion of chemical structures in the refining process.
介绍了炼油过程中多产石油化工原料的有关工艺技术，从化学结构转化角度阐明了理论依据。
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