... 渔获物组成 catch composition 渔获物组成 composition of catch 热力管网 heating pipe network ...
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composition of by-catch 副渔获组成
Age composition of the catch was analysed.
分析了渔获物的年龄组成。
Based on production investigation and sampling data by fishing vessel in 2005, composition and monthly variation of by-catch were analysed with data analysis tool of Microsoft Excel.
根据2005年渔业资源监测船生产调查资料和现场取样数据，运用数理统计方法分析了虾拖网副渔获组成及其月份变化等。
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