A minicomputer which is used in the vehicle to obtain the present information of the trip, such as quantity of oil consumed, the distance driven by the oil it contents, and other information.

• 一种用于运载工具上的小型计算机，以获得行程中当前的一些信息，例如耗油量、现有油量所能驱动的距离数以及其它有关信息。