常见例句Riggs R D,Wrather J A.Biology and Management of the Soybean Cyst Nematode[M].USA,Minnesota:APS Press,992. 王昌家;張新德;劉杏忠;等.;淡紫擬青黴菌料防治大豆胞囊線蟲的後傚研究[J] 返回 Wrather