... 锅炉净效率 net efficiency of boiler 每年净效益 annual net benefit 清净效率 purification effect ...
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net equivalent annual benefit 年当量净效益
·2,447,543篇论文数据，部分数据来源于NoteExpress
Static efficient sustained yield — the sustained catch level in a fishery that produces the largest annual recurring net benefit.
静态效率持续生产——在渔场里有最大年度返还净利的持续捕鱼级别。
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