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鱼类洄游
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鱼类洄游
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fish migration
鱼类洄游
鱼类为获得某些特殊的环境条件以满足其生存和繁殖需要而进行的周期性和定向性长距离、大规模迁移的一种活动。是鱼类集群行为的一种特殊形式,有助于扩大鱼类群体的分布区域。
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research and development
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Research and Practice of Audience Survey in Modern Science and Technology Museum: A Case Study of Guangdong Science Center
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Research Base of Giant Panda of Chengdu
Research Center for Eco-Environmental Sciences,Chinese Academy of Sciences
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Research Center of Pu Opera Art in Linfen City
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Research Consortium on Nearby Stars
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更新时间:2026/9/22 16:19:13