弪
1、即“弧度” 。当圆周上某段圆弧的弧长等于该圆的半径时,称此圆弧所对的圆心角为一弧度。
还介绍了改善“云雾”状态的若干措施,而以添加含弪基的物质更为有效。
Also, several methods to eliminate or improve the mottle initiation are presented, however, the most effective one is to have the epoxy resin been mixed with some hydroxy substance.
还介绍了改善“云雾”状态的若干措施,而以添加含弪基的物质更为有效。
Also, several methods to eliminate or improve the mottle initiation are presented, however, the most effective one is to have the epoxy resin been mixed with some hydroxy substance.