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鱼类洄游
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鱼类洄游
Encyclopedia
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鱼类洄游分布
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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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reference family
reference frame
reference frame of center of masses
reference frequency standard
reference frequency synthesizer
reference great circle
reference group
Reference Guide for Books
reference input
reference interaction site model
reference leak
reference level
reference light
reference line
reference material
reference material (RM)
Reference Materials for Printing Movable Type Research
Reference Materials for Teaching Chinese Archival History
reference materials of geoanalysis
reference materials of lipid
reference measurement method in chemistry
reference measurement standard
reference method
reference method for geoanalysis
reference model
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