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| ecocycling (指生产者、消费者、分解者的干预下所引起的生态系统内的物质循环) | |||
| ecocircle, ecological cycle | |||
| ecologic cycle | |||
| ecocycle; ecological cycle | |||
| 生 态循环: 5 phrases in 2 subjects |
| Oil / petroleum | 1 |
| Technology | 4 |
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