Meanwhile the company also undertakes the business of traffic engineering planning design installation and construction.
同时，本公司还承接交通工程规划、设计、安装施工等业务。
Meanwhile, the company also undertakes the business of traffic engineering planning, design, installation and construction.
同时，本公司还承接交通工程规划、设计、安装施工等业务。
Then, introduces the urban traffic emergency management research from the respect of urban transport planning, traffic engineering design and traffic management and control.
然后从城市交通规划、交通工程设计和交通管理与制约方面介绍了城市交通应急管理的研究方向。
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