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大量营养素
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大量营养素
Encyclopedia
农学
植物分子生物学
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macronutrient
大量营养素
植物生长发育所必需的碳(C)、氢(H)、氧(O)3种非矿质必需元素(来自大气和水),以及氮(N)、磷(P)、硫(S)、钾(K)、镁(Mg)、钙(Ca)6种矿质必需元素(来自土壤)。
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service performance evaluation
service performance measurement
service period
service plan
service port attack
service portfolio under value constraints
service primitive
service privacy
service process
service process matrix
service process model
service program
service programs
service prototyping
service provider
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service quality evaluation and improvement
service quality function deployment
service quality index system
service quality model
service recommendation
service registration
service regulation
service relations
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