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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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half-closed liner completion
half-closed open hole completion
half cocoon
half-coded field of view
half concentric optical cavity
half-concentric optical cavity
half-concentric resonator
half-concentric resonator, hemi-concentric resonator
half-confocal cavity
half confocal optical cavity
half-confocal optical cavity
half-confocal resonator
half-confocal resonator, hemiconfocal resonator
half-conformally flat
half-controlled inverting circuit
half-cycle
half-degree
half density radius
half-density radius
half diallel mating design
half-disk
half-diving depth
half-duplex transmission
half-dyeing time
half egg enucleation method
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