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1)  closed culture
封闭式养殖
1.
This study was conducted for indoor closed culture ponds of Litopenaeus vannamei to reveal change of water quality and nitrogen budgets in experimental pond 1 using model Ⅰ which was the combination of ozone applications, aerator, water purge net and microbe, and pond 3 with model Ⅱ composing of aerator, water purge net, microbe and bleaching powder.
采用模式Ⅰ(臭氧机、增氧机、净水网与复合微生物制剂等)与模式Ⅱ(增氧机、净水网、复合微生物制剂与漂白粉精等)开展室内凡纳滨对虾封闭式养殖试验,探讨了养殖池水质变化规律及氮收支状况。
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2)  closed recirulating system
封闭式循环养殖系统
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3)  closed recirculating aquaculture system
封闭循环水养殖
1.
Experimental study on wastewater denitrification in closed recirculating aquaculture system
池塘封闭循环水养殖废水脱氮的试验研究
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4)  Closed polyculture
封闭式混养
5)  Closed recirculating aquacultural system
封闭循环养殖系统
6)  fencing lawn
封闭养护
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