 |
| |||
| 有效工作面积 | |||
| 显示区域 | |||
| 活性区 | |||
| 有效〔工作〕面积; 活性〔灵敏，现役〕区; 放射性区域 | |||
| 活化区; 显示区; 活动区 | |||
| 有效面积 | |||
| 活动［现用］区 | |||
| 工作面积 | |||
| 活动面积 | |||
| 现用区; 现役区 | |||
| 有效画面电视; 有源区 | |||
| active area: 42 phrases in 13 subjects |
| Agriculture | 2 |
| Aviation | 1 |
| Desert science | 1 |
| Ecology | 1 |
| Electronics | 2 |
| Engineering geology | 1 |
| Hydroelectric power stations | 3 |
| Metallurgy | 9 |
| Multimedia | 1 |
| Oil / petroleum | 3 |
| Shipbuilding | 1 |
| Space | 3 |
| Technology | 14 |