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营养物基准
释义
营养物基准
Encyclopedia
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大气污染物环境基准
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nutrient criteria
营养物基准
水体中产生的生态效应不危及其功能或用途的营养物浓度或水平。可以反映受到人类开发活动影响程度最小的地表水体营养状态。主要指地表水体中浮游藻类生物不产生过量生长现象(水华现象),不致危害该水生态系统结构或功能的水体中营养物质的安全阈值。
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connection component
connection form
connection formula
connection game
connection in bamboo structure
connection in parallel
connection in parallel, parallel connection
connection in reinforced concrete structure
connection in series
connection in series, series connection
connection in steel structures
connection in timber structure
connectionism
connectionism psychology
connectionist learning
connection joint
connectionless
connectionless protocol
connectionless routing
connection mode of distribution networks
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Connection of Classics and Historiography
connection of pile
connection of transformer windings
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