The non-symmetric refracted flow is possible to correspond to the non-symmetric entrancecondition of upstream cross before sudden expansion section, and also to the symmetric entrancecondition.
In my mind, taking part in the postgraduate entrance exams should depends on personal condition.
在我看来,应该视个人情况来决定是否应该参加研究生入学考试。
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According to the operation condition, the entrance velocity of precipitator is confirmed by double object function weighting, and the fluid field is calculated by PHOENICS program.