您要查找的是不是：
- 投影CRT Projection CRT
- 投影 projection
- 投影机 projecting camera
- 投影幕 translucent screen
- CRT图 Current Reality Tree
- 投影的 umbriferous
- CRT色度 CRT colorimetry
- CRT电视 CRT television
- 投影面积 projected area
- 等角投影 equal-angle projection
- 三度投影 trimetric projection
- 平射投影 a stereographic(al) projection
- 几何投影 perspective projection
- 球面投影法 globular projection
- 斜射投影法 clinographic projection
- 阿伯斯投影 Albers projection
- 地图投影 map projection
- 球面投影地图 globular chart
- 投影设备 projector equipment
- 投影灯 projection lamp
