光学、声学 光学 visual line 视线 line of sight 视线†
line of sight 视线 sight 视线；观测，瞄准
line of sight; line of vision; visual line 视线
计算机应用 计算机辅助设计与图形学 释文 view ray 视线
- natural colloid
- natural color
- natural color cocoon
- natural color silk
- Natural Color System
- natural color system
- natural communication network
- natural complex
- natural computing
- natural connection
- natural conservation law
- natural constraint
- natural control
- natural convection
- natural convection heat transfer
- natural convection in enclosure
- natural convection in infinite space
- natural convolutions in cotton fiber
- natural cooling of motor
- natural cooling source
- natural coordinate
- natural coordinate frame
- natural coordinates
- natural coordinates system
- natural correspondence