动车组中英介绍

动车组，是铁路车辆形式的一种，类似英文的“Multiple Unit”(MU)，即轨道复合单元。
Chinese so-called "动车组" is similar to "Multiple Unit"(MU) in English, which is a type of railway vehicle groups.

区别于传统列车，动车组的单位不是单独的车辆(机车或车厢)，而是由若干特定车辆编成的组。
Opposites to a troditional train, a unit of MU train is not a single vehicle(locomotive or carraige) but a group of specific vehicles.
每个组元由1~多节铁路车辆组成，其中包含1~多辆带动力的车(动车)和0~多节不带动力的车(拖车)。
Each group contains at least a vehicle with actuation device(Actuation Vehicle, AV) and at least 0 vehicle without actuation device(Non-Actuation Vehicle，NAV).
整个组作为一个单元由司机室集中监控和操作。
The entile group is under monitoring and operating from the driver's cab as a single unit.
“动车组”由至少一个这样的单位组成。
A MU train is conposed by at least one of such units.
在运营状态下，单元内的车辆不能或很难加减，但在一定条件下可以比较方便地增减单元。
When at bussiness state, it is impossible or very hard to add or remove a vehicle in the unit, but in some case, it is convenient to