Using the Linear track Accelerated Loading Facility System, 12 types of directtrack 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。
2
It is an important method for scientific management of tracks to inspect track defects, directtrack 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。
3
An SDO does not only provide setattribute operation for performing direct updates, but it also can track the changes if specified in its XML configuration using — block.