绘图

Stereographic projection is known since the antiquity and was originally known as the planisphere projection.

立体绘图法原称为星座盘法。

The text has been capably illustrated in a complex process utilizing original drawings, black-and-white scratchboard, and a computer program for color.

诗歌利用原始的图画，黑白的底板，计算机程序技术为本书绘图，更彩地讲述故事。