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fertilizer pollution of fishery environment
释义
fertilizer pollution of fishery environment
Encyclopedia
农学
渔业环境化肥污染
释
fertilizer pollution of fishery environment
渔业环境化肥污染
农业生产中因过量或不合理施用化肥而对渔业水域生态环境造成破坏,甚至导致渔业生物死亡的污染现象。
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period of a class
period of a continued fraction
period of a decimal fraction
period of a differential
period of a function
period of a group
period of alternating current
period of an element
period of an ergodic class
period of an oscillation
period of a semigroup
period of a wave
period of coefficients
period of dormancy
period of intercalary month
period of light variation
period of limitation of administrative litigation
period of military government
period of moon's node
Period of Political Instruction
Period of Political Instruction Constitution of Republic of China
period of pseudorandom numbers
period of revolution
period of revolution, orbital period
Period of Rex in Rome
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