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河道增养殖
释义
河道增养殖
Encyclopedia
农学
河道增养殖
释
river aquaculture
河道增养殖
在河道沟渠采用繁殖保护、人工放流和改善水域环境等措施来提高水产资源的数量和质量的过程。是保证水产资源再生产的稳定和持续增长,提高渔业生产的经济效益的重要途径。包括增殖和养殖两个方面。又称河道沟渠增养殖、河沟增养殖、外荡增养殖等。
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space-time singularity
spacetime singularity
space-time symmetry
spacetime symmetry
spacetime view
spacetime wave
space toxicological effect
space tracking, telemetering and command center
Space tracking, telemetering and command center net Management Center
space transformation
space transformation of existing building
space translation invariance
space transportation
space transportation system
space transportation vehicle
space transporter
space transport vehicle isothermal design
space tribology
space truss structure
space ultraviolet camera
space ultraviolet ray
space-valued
space variable
Space Variable Objects Monitor
space variance
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