He likes being able to ask his navigation system to "Show me the nearest hospitals", whereupon it calls up a list of nearby facilities.

他喜欢叫他的导航系统“显示最近的医院”，于是屏幕上就会显示一批最近建筑物的列表。

youdao

Mobile phones are often prohibited in hospitals and on airplanes, as the radiofrequency signals may interfere with certain electro-medical devices and navigation systems.

由于射频信号可能会干扰某些电子医疗装置和导航系统，在医院里和飞机上通常禁止使用移动电话。

youdao

It claims to provide navigation inside buildings, stadiums, airports, shopping malls, hospitals, museums without using GPS or Wifi.

BBC: Technology that works behind closed doors

Current companies include Inrix, a fast-growing navigation and traffic technology company, and Awarepoint, which builds real-time location systems for hospitals.

FORBES: Brian Ascher