JI F J,FENG B L,YU Y H.Oscillation of hyperbolic differential equations of neutral type[J].Ann.of Diff.Eqs.,2003,9(3):287-291.是什么意思_JI F J,FENG B L,YU Y H.Oscillation of hyperbolic differential equations of neutral type[J].Ann.of Diff.Eqs.,2003,9(3):287-291.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句