TBOT project is classified two lays according to whether BOT or TOT project has obvious income, through the joint of its two lays and project combination, the development trend of TBOT is found out.

根据TBOT模式中BOT和TOT项目都具有明显经济效益和其中之一有明显经济效益分为两个层面，并将之与TBOT项目组合结合找出了它的发展趋势图。

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