Difference between revisions of "CIIC:Selected anniversaries/November 11"
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Revision as of 02:08, 10 November 2009
1949: The headquarters of the Air Force of the Chinese People's Liberation Army (PLA) was set up in Beijing, signifying that the Air Force had officially become a branch of the PLA armed services.
1989: The China Aviation Museum opened to the public.
1994: The widest broadband seismograph in the world was developed in China. The JCZ-1 ultra-broadband seismometer, as it was called, is extremely sensitive and able to sense a wide array of scopes, from high-frequency seismic waves to wide frequencies of solid tides.