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Barley (Hordeum vulgare L. ) is the fourth largest crop in China, and it is important for the development of national economy. 大麥?zhǔn)俏覈牡谒拇蠹Z食作物，在國民經(jīng)濟(jì)生產(chǎn)發(fā)展中具有十分重要的地位。