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底孔的圆筒形件成形底孔的变形规律,在此基立了带底孔的圆筒形件成形毛料中心孔变形规律的经验。

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

的总结眶锁孔入路在治疗鞍区病变中的应用结果与经验。