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关注:1
2013-05-23 12:21
求翻译:The economics of these bioprocesses has become more favourable when zero or negative value waste substrates are utilized as carbon or nitrogen sources 。是什么意思? 待解决
悬赏分:1
- 离问题结束还有
The economics of these bioprocesses has become more favourable when zero or negative value waste substrates are utilized as carbon or nitrogen sources 。
问题补充: |
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