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封山育林育草
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封山育林育草
Encyclopedia
农学
水土保持林草措施
释
exclosure for vegetation restoration
封山育林育草
对具有天然下种或萌蘖能力的疏林及无立木林地、宜林地、灌丛、退化草地实施封禁,以保护植物的自然繁殖生长,并辅以人工促进手段,促使其恢复形成森林或灌木或草本植被的技术措施。
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poly ether ketone
poly (ether-ketone-ketone)
poly ether ketone ketone
polyether polyol
poly (ether sulfone)
poly ether sulfone
polyethersulfone
poly (ether-urethane)
poly(ether urethane)
polyethylene
polyethylene catalyst
polyethylene coating
polyethylene fiber materials
polyethylene glycol
polyethylene glycol induced fusion
polyethylene glycol-mediated transformation
poly (ethylene glycol) methyl ether methacrylate
poly (ethylene glycol) (PEG)
polyethylene naphthalate
polyethylene naphthalate formic acid glycol ester
poly (ethylene oxide)
polyethylene oxide
poly (ethylene oxide); polyoxyethylene
polyethylene tape coating
polyethylene terephthalate
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