全球定位系统
quán​qiú​dìng​wèi​xì​tǒng

GPS

  1. 全球 quán​qiú noun
    whole world
    the entire world; global; worldwide
  2. 定位 dìng​wèi verb + noun
    to position
    to determine a location using instruments or measurements; to orient; to track a position
  3. 系统 系統 xì​tǒng noun
    system
    A whole composed of parts that work together to perform a function or achieve a goal; a series or group of related things forming a complex whole.