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forestry speciality survey
释义
forestry speciality survey
Encyclopedia
农学
森林调查
释
forestry speciality survey
林业专业调查
根据编制森林经营方案的需要,在林业生产条件调查的基础上,在进行森林资源调查的同时专门组织专业人员对某些林业调查项目进行的重点详细的调查。又称专业调查。
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hydrogen and oxygen isotopes altitude effect of precipitation
hydrogen and oxygen isotopes continent effect of precipitation
hydrogen and oxygen isotopes latitude effect of precipitation
hydrogen and oxygen isotopes seasonal effects of precipitation
hydrogen and oxygen isotopes temperature effect of precipitation
hydrogen and oxygen isotope tracing method
Hydrogen and Sulfur Isotope Analysis
hydrogen arc lamp
hydrogenase
hydrogenated butadiene-acrylonitrile rubber
hydrogenated butadiene-acrylonitrile rubber (HNBR)
hydrogenated fish oil
hydrogenated nitrile rubber
hydrogenated oil
hydrogenated rosin
hydrogenated rubber
hydrogenation
hydrogenation catalyst
hydrogenation of polymer
hydrogenation of polymers
hydrogenation process
hydrogenation reactor
hydrogenation technology of low temperature coal tar
hydrogen atom
hydrogen atomic spectrum
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