仿真结果表明，如果各种运输方式的相对资源优势比较明显，就存在互利共生的可能性，并存在一个最优的合作水平。
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.
仿真结果表明，如果各种运输方式的相对资源优势比较明显，就存在互利共生的可能性，并存在一个最优的合作水平。
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.
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