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囊状幼虫病
释义
囊状幼虫病
Encyclopedia
农学
〔蜜蜂传染病〕
释
sacbrood disease
囊状幼虫病
由蜜蜂囊状幼虫病毒引起的,以幼虫新旧表皮间蜕皮液含大量病毒粒子、抽出后呈“囊状”,造成幼虫大量死亡为特征的蜜蜂幼虫期传染性疾病。
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optical flatness
optical flight control
optical flow
optical flow navigation
optical focal points
optical Fourier analysis
optical Fourier transform
optical frequency
optical frequency comb
optical frequency comb generator
optical frequency domain analyzer
optical frequency doubling
optical frequency measurements
optical frequency mixing
optical frequency standard
optical functional composites
optical functional materials
optical function crystals
optical gain
optical gain, light gain
optical galaxy
optical gate
optical glass
optical glass fiber
optical glow
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