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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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gaseous diffusion process; gaseous diffusion method
gaseous disk
gaseous emission nebula
gaseous halo
gaseous hydrocarbon inclusion
gaseous insulating material
gaseous mass
gaseous nebula
gaseous phase flame-retardant mechanism
gaseous planet
gaseous pollutants processing
gaseous polymerization
gaseous polymerization; gas phase polymerization
gaseous propellant
gaseous radioactive waste
gaseous ring
gaseous signaling molecules
gaseous spectrum
gaseous sphere
gaseous state
gaseous train
gaser
gases in metals
gas exchange
gas exchange in lungs
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