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;张新德;刘杏忠;等.;淡紫拟青霉菌料防治大豆胞囊线虫的后效研究[J] 返回 Wrather