"Yanpan" and "Legou":the Word "Pangu" Originated from the Grindstone Worship and Gourd Worship of the Ancestors of Zhuang and Dong Ethnic Group——Tenth of Research on Pangu Myth Origin;
本文在阐述壮侗语民族先民磨石崇拜和葫芦崇拜的基础上,指出盘古一词源于壮族先民对磨刀石(咽盘)和葫芦(勒勾)的称呼,其意指兄妹进葫芦躲过洪水灾难后结婚生下形似磨刀石的肉团,剁碎后撒向山野变成人。
The practical CAD technology to manufacture high accuracy relief grinding cutters is put forward.
提出了方便快捷地加工高精度铲磨刀具的CAD实用工艺 ,给出了改善刀具切削性能和增加重磨极限(寿命 )的方法及计算实例。