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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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areal feature
areal functional
areal gradient
area light source
Areal Linguistics
areal metric
areal productivity
areal types of animal husbandry
Areal Typology
areal velocity
area-mass ratio
area measurement
area measuring
area method
area moment of inertia
area monitoring
area navigation
area of audibility
area of coverage
area of horizon
area of low pest or disease prevalence
area of registered permanent residence
area of visibility
area opaca
area operator and area spectrum
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