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river aquaculture
释义
river aquaculture
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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non-Archimedean absolute value
non-Archimedean analysis
non-Archimedean complex analysis
non-Archimedean field
non-Archimedean function theory
non-Archimedean geometry
non-Archimedean line
non-Archimedean norm
non-Archimedean operator theory
non-Archimedean ordered field
non-Archimedean property
non-Archimedean skew field
non Archimedean valuation
non-Archimedean valuation
non-Archimedean valued field
non-Aristotelian logic
non-arithmetic
non-arithmetic distribution
non-arithmetic operation
non-arithmetic progression sequence
nonary
non-asbestos gasket
nonassociated
nonassociated elements
non associated natural gas
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