经验上的

In the paper, study on displacement law of blank hole for forming cylindraceous with bottom border by numerical simulation technology.

通过数值仿真研究了带圆筒形件成形变形规律,此基础上建立了带圆筒形件成形毛料中心变形规律经验公式。

Objective To summarize the results and experience of supraorbital keyhole approach used for the patients with tumors or aneurysms at superincumbent sellaturcica.

目总结眶上锁路治疗鞍上区病变中应用结果与经验。