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guan yu ji ji tui jin ji lin di qu tong yong hang kong nong hua zuo ye fa zhan de si kao
Pages: 7-9
Year: Issue:  23
Journal: Air Transport & Business

Abstract: <正>随着国家经济快速稳定的发展,东北地区同全国诸多地区一样,通用航空社会需求逐年扩大,通用航空市场前景趋佳。在人工催化降水、农林化飞行作业和飞机播种、灭虫作业等方面,近年国家财政投入资
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