求翻译：由图2可知，整个公路节能减排管理是建立在国家制定的相关节能政策及法规和行业标准、规划与节能目标的基础上，再由公路管理部门根据自身的特点，制定所辖高速公路的节能总体目标是什么意思？

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Figure 2 can be seen by the entire road, energy management is to establish emission reduction in the state energy policy and regulatory and industry standards, planning and energy-saving targets on the basis of the road management departments with their own characteristics, the highway department fo

May know by Figure 2, the entire road energy conservation reduces a row of management is the establishment in the national formulation correlation energy conservation policy and the laws and regulations and the profession standard, the plan and in the energy conservation goal foundation, again acts

From Figure 2, road energy management as a whole was set up at the country developing energy-saving policies and regulations and industry standards, planning and energy-saving targets on the basis of, then managed by the highway departments according to its own characteristics, development of Expres

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