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发表于 2011-3-21 11:39:07
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BlockTableRecord.Origin Property
For all block table records created by AutoCAD versions after Release 10, this point is always (0,0,0). It is highly recommended that this point be left at (0,0,0).
The origin value is used for DXF group code 10.
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发表于 2011-3-19 23:49:00
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