摘自ASME Y14.5M-1994' S# M m2 C/ |+ t# S
1.3.22 Regardless of Feature Size (RFS):The term used to indicate that a geometric tolerance or datum reference applies 1 `/ w" J9 v& b) z. q& qat any increment of size of the feature within its size tolerance.2 Y N: Q) p; A% V/ n
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论坛里有中文版的解释http://www.3dportal.cn/discuz/viewthread.php?tid=119393&highlight=Y14.5M' s' t- ~7 t* _: n* u- q
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[ 本帖最后由 zhanghuihbh 于 2007-6-13 14:47 编辑 ]