这一增长将最终使这三个定位方案结合，这将帮助广告主实时利用更丰富的受众资料。
This growth will finally enable a combination of these three targeting options, which will help advertisers leverage much richer audience profiles in real-time.
这是全球四大导航网络之一，其他三个是美国的全球定位系统、俄罗斯的格洛纳斯和欧盟的伽利略。
It's one of four global (全球的) navigation networks, including the United States' GPS, Russia's GLONASS and the European Union's Galileo.
当汽车在开行当中时，跟踪设备用三个或四个GPS卫星以三角形定位，然后持续地通过无线电数字传输目标所在的坐标位置。
As the target drives around, the tracking device triangulates its position from three or four GPS satellites, and digitally transmits its coordinates continuously by radio.
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