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stable age distribution
释义
stable age distribution
Encyclopedia
理学
稳定年龄分布
释
stable age distribution
稳定年龄分布
如果出生率和死亡率保持不变,则种群各年龄级个体的相对比例不随时间而变化的年龄分布。
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seed key
seed law
seedless
seedless fruit
seedless rotating crucible growth method
seedling
seedling bank
seedling breeding of crab
seedling breeding of Litopenaeus vannamei
seedling breeding of Portunus trituberculatus
seedling breeding of shrimp
seedling cultivation of Gracilaria tenuistipitata
seedling cultivation of Gracilariopsis lemaneiformis
seedling cultivation of Pyropia
seedling cultivation of Saccharina japonica
seedling cultivation of Sargassum fusiforme
seedling cultivation of seaweeds
seedling cultivation of Undaria Pinnatifida
seedling death due to lifting by alternate soil frozen and thawing
seedling facilities
seedling gradation
seedling greenhouse
seedling harvesting,storing and shipping
seedling horse stool
seedling lifter
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