an approximation of 12,000 objects in orbit around the Earth. 逼近12000物體在圍繞地球的軌道。

AFP
A computer-generated artist's impression released by the European Space Agency depicts an approximation of 12,000 objects in orbit around the Earth.
U.S. to try again to hammer out space 'code of conduct' | News | National Post
http://news.nationalpost.com/2012/01/19/u-s-to-try-again-to-hammer-out-space-code-of-conduct/
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