It should add a new, higher level of analysis, and should indicate explicitly the significance of the work.
它应该增加新的,更高层次的分析,并且应该明确地指出这项工作的意义。
Doing that also allows for the analysis of the impact a change in requirements (or higher level of abstraction models) has on all the lower level of abstraction models.
这样做,还允许分析需求(或更高抽象级别的模型)中的变更对所有低级别抽象模型的影响。
The level of output per worker has been much higher in industry and services, and those sectors have received the most analysis and attention.
工业和服务业人均产出更高了,这些产业也受到了最多的关注,分析也很多。
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