![]() |
| |||
electron beam recording | |||
beam recording | |||
electron-beam recording (法) | |||
| |||
electron-beam recording (system) |
电 子束记录 : 16 phrases in 7 subjects |
Cartography | 1 |
Earth sciences | 2 |
Electronics | 1 |
Information technology | 2 |
Shipbuilding | 1 |
Space | 1 |
Technology | 8 |