In America mobile subscribers can buy location-tracking services for all users of a family phone plan.

在美国，移动用户可以为家庭用户组的所有成员购买定位追踪服务。

China's largest telecom carrier by mobile subscribers said today that tests are part of its push to quicken the rollout of the technology.

中国移动是用户最多的电信运营商，今天表示，测试是其加快技术推广的一部分。