Wedge perspectiveformula is one of methods to expresses organic molecular formula 's stereoscopic construction, the means to write it in Chemistry textbook isn't very dearly.
楔形式是有机分子立体结构表示方法之一，有机化学教科书中的书写方法不够清楚。
2
The re-projection formula about this two kinds of system are derived, which be used to obtain perspective omnidirectional image and cylinder panoramic image from original omnidirectional image.
推导了这二类系统的逆投影公式，建立了由原全景图像获得透视全景图像和柱面全景图像的方法。
3
From the perspective of graph theory, understands multiplication formula, full probability formula, Bayes formula effectively solves some complicated probability problems.