Yang X M, Yang X Q, Chen G Y.Theorems of the alternative and optimization with set-valued maps[J].JOTA, 2000,107 (3) : 627--640.是什么意思_Yang X M, Yang X Q, Chen G Y.Theorems of the alternative and optimization with set-valued maps[J].JOTA, 2000,107 (3) : 627--640.在线翻译_英语_读音_用法_例句