The problem of effective management of freeway deal with traffic volume of freeway operation system, the system of investment, charge mode and so on.
高速公路的有效经营问题涉及面极广，除了涉及高速公路的运营管理以外，还涉及得空了高速公路的交通量、投融资体制等各方面。
SEM seeking the highest price, with the smallest investment, obtain the biggest traffic from search engines, and generating business value.
SEM追求最高的性价比，以最小的投入，获最大的来自搜索引擎的访问量，并产生商业价值。
Due to the large scale of investment in urban rail traffic and social influences, it got more and more attention by the country.
城市轨道交通由于投资规模大，社会影响深远，越来越为国家所重视。
The road resources between arterials that are left unused are explored to shunt the traffic of arterial network, not only alleviating traffic pressure but also saving land and investment.
利用干道和干道间未被充分利用白勺道路资源来分流干道网络上白勺交通，既缓解了交通拥堵压力，又节约了土地和资金。
The road resources between arterials that are left unused are explored to shunt the traffic of arterial network, not only alleviating traffic pressure but also saving land and investment.
利用干道和干道间未被充分利用白勺道路资源来分流干道网络上白勺交通，既缓解了交通拥堵压力，又节约了土地和资金。
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