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鱼类索饵场
释义
鱼类索饵场
Encyclopedia
农学
鱼类索饵场
释
fish spawning ground
鱼类索饵场
鱼类集群进行索饵的自然水域。又称鱼类育肥场。该水域有丰富的浮游生物、底栖动物、水生植物、腐殖质、有机碎屑等鱼类饵料食物。
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closed subfield
closed subgroup
closed submanifold
closed subscheme
closed subset
closed subspace
closed substructure
closed subsystem
closed subvariety
closed surface
closed surface integral
closed syllable
closed system
closed system of elements
closed system of functions
closed system of hot water supply
closed term
closed timelike curve
closed [time] path Green's function
closed time path Green's function
closed topological manifold
closed topology
closed trail
closed trajectory
closed transformation
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