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富啡酸
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富啡酸
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农学
土壤有机质
释
fulvic acid
富啡酸
土壤中既溶于稀碱,又溶于稀酸的黄棕色天然有机高分子化合物。又称黄腐酸。
Chemistry
>环境化学>土壤环境化学>释义
fulvic acid
富啡酸
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proportional-integral-derivative controller
proportional integral derivative regulator
proportional integral derivative regulatory systems
proportional integral regulator
proportional-integral regulatory systems
proportional intensification
proportional-intergral-dervative control
proportionality
proportionality coefficient
proportionality factor
proportional limit
proportional loading
proportionally cutting circle
proportional mean
proportional navigation
proportional numbers
proportional odds model
proportional odds regression model
proportional part
proportional plus integral plus derivative control
proportional plus integral plus differential control
proportional-plus-integral-plus-differential control
proportional price rule
proportional profile
proportional region
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