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关注:1
2013-05-23 12:21
求翻译:The physical specifications for the geometry of lens blanks, the geometry of lens blanks, and the location of multifocals segments within the lens shall be provided using the methods and conventions described below.是什么意思?![]() ![]() The physical specifications for the geometry of lens blanks, the geometry of lens blanks, and the location of multifocals segments within the lens shall be provided using the methods and conventions described below.
问题补充: |
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