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commercial fisheries中文

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用"commercial fisheries"造句"commercial fisheries"怎麼讀
中文翻譯手機版
  • 商業性水產業
  • 商業漁業
例句與用法
  • Enforcement of fishery agreements , where they do exist , for commercial fisheries has been confounded by the wide and patchy distribution of such fishery resources , and the obsolete belief that marine resources are inexhaustible
    由于該等漁業資源的分布范圍廣泛而不平均,加上人們仍有海洋資源取之不竭的過時觀念,故此執行商業性捕魚的管制協議往往困難重重。
  • Moreover the cases of evaluating the fish resources in the upper yangtze river by using basic data were much less . this research evaluates the fishery status in the upper yangtze river by using commercial fisheries data of hejiang section from 1999 to 2002 . the age , growth and mortality of rhinogobio ventralis which is endemic to the upper yangtze river have been studied also . moreover we have estimated the biomas s of rhinogobio ventralis
    本文是在實地調查的基礎上,結合水生生物流動監測站合江站1999 - 2002年的監測結果,對長江上游合江段的漁業捕撈現狀進行了評估,研究了重要的經濟特有魚類長鰭吻?的年齡、生長和死亡,并對其資源量進行了估算。
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