Dai X. 2009. R-based Spatial Distribution Maps of Citrus Diseases and Pests in China. Jiangxi Agricultural Science. In press.是什么意思_Dai X. 2009. R-based Spatial Distribution Maps of Citrus Diseases and Pests in China. Jiangxi Agricultural Science. In press.在线翻译_英语_读音_用法_例句