“fish migration channels”的概念、定义、翻译、参考文献-科学参考

单词	fish migration channels
释义	fish migration channels 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。
随便看	positive part of an element positive perfect correlation positive plate positive platemaking positive polarity machining positive potential positive-pressure pulverizer with intermediate storage bunker positive pressure sealing positive propaganda positive proposition positive psychology positive psychotherapy positive punishment positive quadratic differential positive quadratic form positive quantity positive ray function positive real axis positive real control positive real function positive real number positive real part positive real system positive recurrent point positive recurrent state

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