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plane 的最大实体问题

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发表于 2009-4-6 22:14:46 | 显示全部楼层 |阅读模式
plane 的最大实体问题
good day everyone!i have meet a problem that the oion dimension show a datum plane with 最大实体.how to explane or understand it?please hel me!thank you very much!
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