工学 画法几何 释 perspective drawing 透视图 用笔准确地将三度空间的景物描绘到二度空间的平面上，在平面上得到立体特征的画面空间。
figure in perspective 透视图 perspective figure 透视图 perspectograph 透视图
计算机应用 计算机辅助设计与图形学 释文 perspective projection 透视图
- national dangerous reservoir reinforcement special planning
- national database on groundwater contamination investigation
- National Day of the the People with Disability
- National Day Top Ten Projects
- national debt law
- national defence engineering
- national defence film
- National Defense Committee of KMT
- national defense drama
- National Defense Education Act (U.S.A.)
- national defense forests
- national defense photography
- National Defense Theater Company
- National Democratic Congress
- national democratic movement in the Third World
- national desert expedition of China
- national desert park
- National Diet Library
- National Digital Library Construction and Service Joint Meeting
- National Digital Library Project of China
- National Digital Publishing Base in Guangdong
- National Digital Publishing Base in Jiangsu
- National Digital S&T Literature Preservation Infrastructure
- National Dinosaur Museum: Canberra
- National Doctoral Students Academic Forum of Information Science