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鱼类性比
释义
鱼类性比
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鱼类性比
释
sex ratio of fish
鱼类性比
鱼类种群内部雌雄鱼数量比。又称鱼类性结构。是种群结构特点和种群动态的重要指标之一,也是渔业资源研究中必须查明的重要内容。
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hard-facing materials
hard-facing materials made by powder metallurgy
hard fault
hard fescue
hard film
hard glaze
hardground
hard gum spots
HardHan Cafe Theatre
hard head
hard hexagon entropy constant
hard image
hard implicit function theorem
hardiness
hard information
hard ionization
hard landing
hard language
hard Lefschetz theorem
hard lining
hard link
hard lump
hard magnetic bubble
hard magnetic material
hard metal lung disease
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