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但缺乏对草原旅游公路的理论研究。
But the theory of grassland tourist highway has lacked.
youdao
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在草原旅游公路建设过程中，车流量的预测是建设规划的基础。
The program and construction of grassland are based on traffic flow forecast.
youdao
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在草原旅游公路建设过程中，车流量的预测是建设规划的基础。
The program and construction of grassland are based on traffic flow forecast.
youdao