摘要
用凹形正圆锥的高除以等高线数为相邻等高线的深度差值
It is reported that the quantity of a hollow regular cone divided by the quantities of contour generations on it is the quantity of the depth that one contour line adjoins the next one,and introduces the making method of the hollow regular cone and its application.
出处
《南昌大学学报(工科版)》
CAS
2000年第1期101-104,共4页
Journal of Nanchang University(Engineering & Technology)