The simulation results showed that, if the relative resource advantage of various transportation modes was evident, there existed the possibilities of mutualism and an optimum cooperation level.是什么意思_The simulation results showed that, if the relative resource advantage of various transportation modes was evident, there existed the possibilities of mutualism and an optimum cooperation level.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句