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
- extended light source
- extended line
- extended linear continuum
- extended low-surface brightness source
- Extended Luxuriant Gems of the Annals of Spring and Autumn Period
- extended Markuschevich basis
- extended mean-value theorem
- extended module
- Extended net
- extended number axis
- extended object
- extended periodic table of chemical elements
- extended Petri net
- extended-phase space
- extended photosphere
- extended plane
- extended point transformation
- extended polynomial
- extended predicate calculus
- extended producer responsibility
- extended proportional navigation
- extended quintessence
- extended radio source
- extended random walk
- extended-range electric vehicle