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
- less-than-carload freight transportation
- less than or equal to
- less-than-or-equal-to sign
- less-than sign
- LEST
- Lester Bowles Pearson
- Lester Frank Ward
- Lester Horton
- L-estimate
- L estimator
- L-estimator
- Le Sure
- Le Surréalisme
- Lesya Ukrainka
- Le Symbolisme
- Le Système International d’Unites
- LET
- let a hundred flowers bloom
- Letan Shuiku
- Letchworth
- Le Tenneur
- lethal
- lethal concentration 50
- lethal dosage
- lethal dose