“To the town, ” read a marker in the trackless sand, and all too soon, the asphalt road reappeared.
在无路可寻的沙漠上，一块指示牌上写着“去市区方向”，很快柏油路就出现了。
2
In Automated Highway System based on magnetic marker guidance, the navigation facilities refer to magnetic markers in the central road with same interval.
在磁道钉导航的自动公路系统中，在车道中心线上埋置间距相同的磁道钉作为车辆的导航标记。
3
Results showed that the noises of an image of marker-line for road were significantly decreased and most of edge information of the marker-line was remained after the adjustable median tilting.