The traffic network composed of four lengthwise and three transverse roads has been built in the Base, including one landscape backbone road with planned overall length of 5 km and width of 35 m.
基地内已经建成四纵三横的道路网架，其中一条为规划全长5公里，宽为35米的景观主干道。
This curriculum of one to two day courses forms the backbone of the training initiative, with training road maps for the different roles.
一到两天的培训课程帮助学员了解培训课程的主干，包括针对不同角色的培训路线图。
The new road is part of the backbone of China's national highway system, scheduled for completion this year.
新的道路是定于今年完工的全国高速公路主干网的一部分。
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