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果树越冬冻害
释义
果树越冬冻害
Encyclopedia
农学
果树越冬冻害
释
freezing damage of overwintering fruit tree
果树越冬冻害
越冬期因气温下降到0℃以下并达到冻害生理指标,造成果树生长延迟或停止、部分组织冻伤甚至死亡的灾害。
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principal axes of stress
principal axis
principal-axis method
principal axis of inertia
principal axis of strain
principal axis solution
principal axis transformation
principal-axis transformation
principal band
principal base
principal bending moment
principal block
principal branch
principal bronchus
principal bundle
principal bundle connection
principal category
principal cell
principal character
principal circle
principal class
principal coefficient of contraction
principal cohomology class
principal coincidence curve
principal component
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