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mountain closure for forest restoration
释义
mountain closure for forest restoration
Encyclopedia
农学
森林营造
释
mountain closure for forest restoration
封山育林
遵循森林演替的动态变化规律,利用树木的自然繁殖能力(林木天然更新能力),以封禁为主要手段,辅以人工促进措施,使具有天然下种或萌芽(萌蘖)更新能力的疏林、灌丛、采伐迹地、荒山荒地等恢复或发展为森林或灌草植被。是提高森林质量的一项技术措施。
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photoconductive effect
photoconductive fiber
photoconductive fiber; optical waveguide fiber; optical fiber
photoconductive infrared detector
photoconductive polymer
photoconductive semiconductor switches
photoconductive switch
photo conductivity
photoconductivity
photoconductivity of semiconductors
photo conductor
photoconductor
photoconjunctivitis
photo control point
photo control survey
photoconvertable fluorescence protein
photoconverter
photocopy
photocopy & typography edition
photocorrosion
photocounting
photocounting, photon counting
photocreep
photocrosslinking
photo-crosslinking polymer materials
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