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种子生产
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种子生产
Encyclopedia
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种子生产
释
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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unemployment rate
unemployment ratio
Unemployment Relief Camps
unending decimal
unenriched uranium
unenumerated fundamental rights
unequal
unequal-armed
unequal cleavage
unequal crossing over
unequal deformation
unequal fission
unequally distant
unequal projection
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unequal stress
unequal subclasses
unequal subclass numbers
UNESCO
UNESCO Asia-Pacific Awards for Cultural Heritage Conservation
UNESCO Courier
UNESCO Creative Cities Network
UNESCO General History of Africa
UNESCO Information for All Programme
UNESCO initiative on heritage of religious interest
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