1. 路程表：hodograph transformation 速端曲线变换 | hodometer 路程表 | holding domain 解域
2. 里程计：hodograph 速矢端线 | hodometer 里程计 | hodoscope 辐射计数器;描迹计
3. 行程表：hodometer 路程表 | hodometer 行程表 | hodometer 回转表
4. 车程计：hoddy-doddy 灯塔的旋转灯 | hodometer 车程计 | hodoscope 描迹仪
noun
1. a meter that shows mileage traversed
Synonym: odometer mileometer milometer