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seed production
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seed production
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农学
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seed production
种子生产
在保持优良品种群体遗传组成不变的条件下迅速对其扩大繁殖的过程。
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Upper Nile
Upper Nile Basin
upper nil-radical
upper one-sided limit
upper ontology
upper outer density
upper Privalov operator
upper process capability index
upper pure value
upper quadrant
upper quartile
upper quartile length
upper radical
upper radical class
upper relaxation
upper relaxation method
upper respiratory examination
upper respiratory tract infection
upper Riemann integral
upper right corner
upper right-hand derivative
upper semi continuity
upper semi-continuity
upper semicontinuity
upper semi continuous
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