It is an important method for scientific management of tracks to inspect track defects, direct track maintenance operation, and measure dynamic quality of tracks by maintenance car.

利用轨道检查车检查轨道病害，指导线路维修作业，评价轨道动态质量，是实现轨道科学管理的重要方法。

youdao

Using the Linear track Accelerated Loading Facility System, 12 types of direct track fullscale tests of asphalt pavement are carried out.

利用直线式加速加载试验系统，对12种沥青铺装方案进行了大型直道足尺试验。

youdao

But the only direct challenge we encountered on the rutted track came from a pack of 12 wild dogs that briefly blocked our path, and then lazily chased our small convoy for a few hundred metres.

BBC: Condition of Somali refugees in Kenya worsening

There would still be a wait for a wait for a direct link to Cambridge, as much of the old track disappeared.

BBC: Rail link 'should extend to Cambridge'

His track record for successfully joining product, promotion, and direct-to-consumer marketing sets a compelling stage for both MOG and "Daisy" within the burgeoning and competitive digital music space.

ENGADGET: Beats Electronics announces project Daisy music service, appoints new CEO