[求助]
a line drawing of the structure, a perspective drawing
如上所示,要一张素描图,还有透视图,没见过这俩图长什么样子,可以发俩张这种类型的图看看嘛,谢谢。
X‑Ray crystallographic data must include a line drawing of
the structure, a perspective drawing, and a discussion of bond
lengths and angles。