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
- fish complement system
- fish crosscutting machine
- fish culture and enhancement
- fish culture in paddy field
- fish culture in running water
- fish curve
- fish cutting machine
- fish defensin
- fish descaler
- fish digestion rate
- fish disease diagnosis management
- fish disease resistance-related genes
- fish diseases caused by pollution
- fish dragon pot
- fish-dragon show
- fish ecology
- fish egg
- fish energy budget equation
- fish energy partitioning
- Fisher
- Fisher amount of information
- Fisher-Behrens problem
- Fisher-Behrens test
- Fisher block design inequality
- Fisher Body-General Motors case