The CID system consists of transponders that are mounted on vehicles and direct-fire weapon interrogators to help gunners determine if targets are friendly.

CID战斗识别系统包括安装在车辆上的转发器和帮助射手确定友军目标的直接交火武器询问器。

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Many emergency vehicles, such as fire engines and ambulances, will be using roads during disasters.

许多急救车辆，如消防车和救护车会在灾害中使用道路。

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Police cars, fire engines, ambulances and engineering emergency vehicles shall be used strictly pursuant to the prescribed purposes and conditions.

警车、消防车、救护车、工程救险车应当严格按照规定的用途和条件使用。

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The demonstrators had set fire to piles of tires and buses, rolling the vehicles towards lines of soldiers holding riot shields and machine guns.

VOA: standard.2009.04.13

Support fire vehicles from Hampshire, including a Land Rover, were initially refused entry to the site before an escort was arranged.

BBC: Atomic weapons plant fire crews 'delayed' from entering

Police say residents burnt down a library and set fire to municipal vehicles including a fire engine.

BBC: Police fire at S Africa rioters

Ten fire service vehicles were dispatched when up to two tonnes of gas leaked from the Vion food processing plant on Llangefni Industrial Estate.

BBC: Llangefni: Vion food factory ammonia gas leak inquiry