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集约育林
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集约育林
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农学
森林营造
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intensive silviculture
集约育林
在林地上投入必要的人力、物力和财力,运用现代科学技术系统培育各类森林,降低不同因子对林木生长的限制作用,提高林分生产力,从而达到林木成活、速生、丰产、优质的目标,进而形成多功能、高效益的森林生态系统。
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semi-compact space
semicomplement
semi-complemented lattice
semi-complete
semicomputability
semicomputable
semicomputable predicate
semicomputable set
semiconduct-gassensitive element
semi-conducting bolometer
semiconducting carbon nanotube
semiconducting paper
semiconducting polymer
semiconducting solid solution
semiconduction
semiconductive varnish
semiconductivity
semiconductor
semiconductor affinity
semiconductor based electro absorption waveguide modulator
semiconductor-based electro absorption waveguide modulator
semiconductor catalysts
semiconductor catalysts and photocatalysis
semiconductor ceramics
semiconductor chemistry
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