设计更改通知 Design Change Notice ; DCN
工程设计更改 Engineering Change Orders
设计更改通知单 order of design changes
设计更改检验 Design Change Verification
设计更改建议 [科技] design change recommendation
设计更改证明文件 Design Change Document
如何使用工程设计更改 Engineering Change Orders
设计文件的更改 Amendment of design documents ; Revisions of design documents
更改设计操作规程 Design Change Work Order
此时，已完成所需的所有设计更改。
At this point, you have made all the design changes required.
如果您以后想继续并进行设计更改，那么欢迎您。
If you then want to go on and make design changes, you're welcome to.
在该方法中，源于新需求或设计更改的所有优化循环都在模型中执行。
In this approach, all refinement cycles resulting from new requirements or changes in design are carried out in the model.
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