| 释义 |
imaginary line 虚线 In System/38 graphics, a construction line used to build a fillet.The beginning and ending points of imaginary lines are defined,but the lines themselves do not appear as part of the picture. 在IBM System/38的制图系统中,一种用于构造嵌线的结构线。虚线的起点和终点是 确定的,但是这些线本身并不作为图象的组成部分出现。 |