 |
| |||
| barrel; projector optical assembly; optical tower; camera (tower); camera assembly (of a repeater) | |||
| barrel (eines Repeaters); column; optical column; project type system | |||
| projector | |||
| projection system | |||
|
Projektionssystem : 6 短语, 3 学科 |
| 光学（物理学分支） | 3 |
| 医疗的 | 1 |
| 微电子学 | 2 |