Engineers of the National Astronomical Observatory of China debug facilities at the astronomical observation station in Yangbajain, southwest China's Tibet Autonomous Region, May 7, 2011. Installed at an altitude of 4,300 meters, the KOSMA millimeter telescope, a project cooperated by China and Germany, enters the phase of debug recently. It is one of the most advanced astronomical observation facilities to observe the outer space. [Chen Haining/Xinhua] |
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