Summary | Heavy pollution days also dropped from 40 in the
first half of 2013 to 25 this year. So far, the output value of
Beidou has been beyond RMB 10 billion yuan.
first half of 2013 to 25 this year. So far, the output value of
Beidou has been beyond RMB 10 billion yuan.
en.ce.cn | 27 October 2014