Yuko汤古(姓,日本)Yun.禹(传说中的中国古时圣君)YU Da-fu' s sad proseYushania andropognoidesn.草丝竹Yushania baishanzuensisn.百山祖玉山竹Yueyin Red Navel Orange粤引红脐橙Yuli county of Xinjiang新疆尉梨县Yulin Normal University玉林师范学院Yujiang water diversion郁江引水Yunnan Military Academy云南陆军讲武堂Yunnantettix bannaensisn.版纳云南蚱Yunnan national culture云南民族文化

1. Situating in the arid area with fragile eco-environment, Yutian Oasis is the poverty region emphasizing irrigated farming.
   摘要新疆于田绿洲地处干旱内陆区，生态环境脆弱，是一个以灌溉农业生产为主的经济落后地区。