畜牧水产养殖已成为湖南农村的第一大产业。
Pasturage aquiculture already made the biggest industry of Hunan country.
从1992年开始，它就成为世界第一大产业；
信息技术和电子产品已成为当今世界的第一大产业。
Information technology and electronic products have been the largest industries in the world.
信息技术和电子产品已成为当今世界的第一大产业。
Information technology and electronic products have been the largest industries in the world.
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