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农学
仔鱼饥饿“不可逆点”
释
starvation in larvae ("the point-of-no-return"; PNR)
仔鱼饥饿“不可逆点”
在饵料缺乏的情况下,初孵仔鱼达50%或100%死亡时的饥饿时间。又称仔鱼饥饿“致死临界期”、仔鱼“不可逆转饥饿”(irreversible starvation)、仔鱼“生态死亡”点。是从生态学角度评价仔鱼的饥饿耐力的一项指标。常用此作为仔鱼“生理死亡”的界限。
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conjugate ranking
conjugate ray
conjugate rays
conjugate rectilinear congruence
conjugate representation
conjugate residual method
conjugate roots
conjugate ruled surface
conjugate sequence
conjugate series
conjugate set
conjugate solution
conjugate space
conjugate spinning
conjugate spinning; compound spinning
conjugate square
conjugate subfield
conjugate subgroup
conjugate surd
conjugate surfaces
conjugate symmetric sequence
conjugate system
conjugate system of curves
conjugate tensor
conjugate transformation
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