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鱼类洄游通道
释义
鱼类洄游通道
Encyclopedia
农学
鱼类洄游通道
释
fish migration channels
鱼类洄游通道
鱼类在一定时期集群沿着固定路线做长、短距离不等的迁移,以转换生活环境的方式,满足它们对生殖、索饵、越冬所要求的适宜条件,并在一定时期又返回原地这一过程所经过的水域。
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unsharp masking
unsharp quantum logic
unshelled eggs
unshielded twisted pair
unshielded twisted pair, UTP
unsigned number
unsmeltable
unsmooth discharge
unsolicited distribution
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unsolvable algorithmic problem
unsolvable associative calculus
unsolvable decidability problem
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unsolvable elementary theory
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