國家高技術(shù)研究發(fā)展計劃(863計劃)資助項目(2002AA62Z3191);陜西省農(nóng)業(yè)科技創(chuàng)新項目(2011NXC01—20)
趙延風(fēng),王正中,劉計良.給水度測定儀設(shè)計[J].農(nóng)業(yè)機(jī)械學(xué)報,2011,42(9):69-73. Zhao Yanfeng, Wang Zhengzhong, Liu Jiliang. Design of Determinator for Specific Yield[J]. Transactions of the Chinese Society for Agricultural Machinery,2011,42(9):69-73.
復(fù)制