| |||
复合污染源; 多源污染 | |||
★ 多信源 | |||
多源; 多光源 | |||
复合污染源; 多点污染源 | |||
复合源 |
multiple-source : 21 phrases in 10 subjects |
Air defense | 1 |
Aviation | 3 |
Chemistry | 1 |
Computer networks | 1 |
Earth sciences | 2 |
Electronics | 2 |
Geophysics | 1 |
Refrigeration | 1 |
Technology | 8 |
Water resources | 1 |