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The concept of deploying a relay satellite in the halo orbit was first put forward by U.S. space experts in the 1960s, but was realized by Chinese space engineers.
An information exchange meeting was held in Chiang Saen, Thailand.
The survey says that they spent 9 hours and 19 minutes sleeping and 1 hour and 44 minutes dining in 2018, 17 minutes and four minutes more than in 2008 respectively, according to the National Bureau of Statistics (NBS) Friday.
He said Chinese companies have carried out most of Ethiopia's infrastructure projects, creating tens of thousands of jobs for local people and solidly promoting the country's economic and social development.
BEIJING, Dec. 24 (Xinhua) -- China will unveil more supportive measures for the country's private businesses as well as small and medium-sized enterprises (SMEs), according to a State Council executive meeting on Monday.
