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套袋隔离
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套袋隔离
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农学
林木育种
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bagging isolation
套袋隔离
两性花在去雄后,或单性花雌花芽可清楚识别,在雌球花突破芽鳞时,为防止非目的花粉的侵入,授粉前对雌花用袋状物实施保护的控制授粉措施。
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rocket X-ray astronomy
rocket γ-ray astronomy
rock explosibility
rock failure
rock failure criterion
rockfall disaster
rock feeder
rockfill dam
rock-filled concrete dam
rockfill embankment
rock flow
rock-forming elements
rock forming mineral
rock foundation
rock foundation engineering design
rock foundation engineering disasters
rock foundation of state nuclear power PWR demonstration project I
rock fracture mechanics
rock fragmentation
rock fragmentation material
rock friction
rock garden
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Rockhampton
rock hardness
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