The central perspective drawing method is presented.

本文介绍中点透视作图方法。

Isometric drawing is much simpler than perspective drawing.

等角图较透视图简单得多。

Grid structure perspective drawing: to enquire by the grid level structure of electricity supply unit substation line substation area etc.

电网结构透视图：按照供电单位、变电站、线路、台区等电网层次结构进行杳询。

This will be from a literary point of view, history of art history point of view and perspective drawing paper drawing praise the special status.

本文将分别从文学、历史学和绘画艺术史的角度来论述画赞的特殊地位。

Electricity user perspective drawing: to enquire by the customer management structure of electricity supply unit client type line electricity users etc.

用电客户透视图：按照供电单位、行业、客户类型、用电客户等客户管理结构进行杳询。