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fish spawning ground
释义
fish spawning ground
Encyclopedia
农学
鱼类产卵场
释
fish spawning ground
鱼类产卵场
能为鱼类繁殖提供适宜环境条件的水域。是鱼类能够繁衍后代的主要场所,也是鱼类资源量得到补充的宝贵腹地,还是人类开展渔业资源管理和保护的重要场地。
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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Center of land
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center of mass coordinate system
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center-of-momentum frame
center of momentum system
Center of National Railway Intelligent Transportation System Engineering and Technology
center of oscillation
center of percussion
center of perspectivity
center of polarity
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center of projection
center of purity
center of range
center of reduction
center of reflection
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