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
- changes of biodiversity
- changes of geographical names
- change-wheel garage of straddle type monorail
- Chang Fa
- Changfeng Park
- Changfeng Xian
- Chang Fuyuan
- Changgang Shuiku
- Changgan Lane
- Changgan Song
- Changgan Temple
- Changge Shi
- Changgeuk
- Chang Guangxi
- Changgunbong
- Changguogou
- Changha
- ChanghaiXian
- Changhe-2 system
- Changheba Hydropower Station
- Changhe Gate
- Changhe Poetry of Tungwen College
- Chang Hong
- Changhong
- Changhua Jiang