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biologic index
| of
| water-pollution
| biologic index | |
| tech. | 生物指数 |
| of | |
| gen. | 的; …的; 关于 …的; …做成 的; 对…; … 的 |
| water pollution | |
| environ. | 水质污染 |
| |||
| 生物指数 | |||
| biologic index: 13 phrases in 2 subjects |
| Environment | 1 |
| Technology | 12 |
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