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渔业增殖放流技术
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渔业增殖放流技术
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农学
渔业增殖放流技术
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technology of fishes resource conservation
渔业增殖放流技术
对鱼、虾、蟹、贝、藻等进行人工繁殖养殖,或者捕捞天然苗种在人工条件下培育后,将这些渔业生物科学合理地释放到渔业资源出现衰退的天然水域中,使其自然种群得以恢复的技术。
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spatial angle
spatial anti-crime
spatial association
spatial association analysis
spatial association rule
spatial autocorrelation
spatial auto-correlation analysis
spatial autoregressive
spatial axial gauge
spatial brightness
spatial carrier
spatial characteristic rule
spatial charged particle detector
spatial circular frequency
spatial cluster analysis
spatial cluster rule
spatial cognition
spatial coherence
spatial coherence of light
spatial competition theory
spatial cone
spatial configuration
spatial content
spatial coordinate
spatial coordinate transformation
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