在轴承优化设计中常会碰到不同的实际要求，如何根据这些要求，对设计方案进行评价是轴承设计人员经常面对的问题。
There are always different actual demands in bearing optimum design, how to evaluate the bearing design proposal through these demands is a problem that the bearings designers often encountered.
如何对再造前后的业务流程进行评价成为了管理界广泛关注的课题。
How to evaluate old and new process has been being paid close attention to by management circle.
目前，我国理论界尚未对如何完善《科技进步法》进行过全面、系统的评价和研究。
Nowadays, the theoretical circle hasn't made complete, systematical evaluation and research on the improvement way of the (Science and Technology Law).
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