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林木发育期观测
释义
林木发育期观测
Encyclopedia
农学
林木发育期观测
释
observation of developmental stages of trees
林木发育期观测
在地形、土壤、栽培水平一致的地段上,选取年龄长势相近、生长健壮的主要树木种类和品种,依据树木外部形态特征,按发育期出现顺序对各发育期出现日期进行观测和记录的活动。
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system failure of power system
system fault diagnosis
system fault tolerance
system fault tolerance, SFT
system feasibility
system feedback
system flow diagram
system flux
system follow-up
system for buildings with animals
system for buildings with plants
system for stockpiling reserves of major commodities
system for the review of constitutionality
system function
system generated electromagnetic pulse
system generation
system ground
system hazard analysis
system high security
systemic acquired resistance
systemic action of pesticide
systemic autoimmune disease
systemic circulation
systemic engineering of agrometeorological disaster reduction
systemic family therapy
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