Wedge perspective formula is one of methods to expresses organic molecular formula 's stereoscopicconstruction, 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
Taking the features of physiology into consideration, this paper elaborated the contents of stereoscopic teaching materials and discussed some advantage of teaching material construction.