单语范例（未经PONS编辑处理）
Such systems are used by emergency first responder organizations, public works organizations, or companies with large vehicle fleets or numerous field staff.
en.wikipedia.org The information is accessed by any first responder or emergency personnel by scanning the QR code by using a smartphone.
en.wikipedia.org In case of any disaster, the local population is the actual first responder.
en.wikipedia.org Even with a fast response time by a first responder measured in minutes, some medical emergencies evolve in seconds.
en.wikipedia.org The first responder program allows qualified members to respond to calls in their surrounding area before a medic unit arrives.
en.wikipedia.org