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water resources protection forest
释义
water resources protection forest
Encyclopedia
农学
防护林
释
water resources protection forest
水源涵养林
以涵养水源,改善水文状况,调节区域水分循环,防止河流、湖泊、水库淤塞,以及保护饮用水水源为主要功能的森林、林木和灌木林的统称。又称水源保护林。
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period-n-tupling bifurcation
period of a circulating decimal
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
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