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2008-12-31 00:00:00
數理天地(初中版) 2008年7期
On the afternoon of May 12， 2008， an earthquake measuring8.0 on the Richter scale hit Sichuan Province， a mountainousregion in Western China.
On the afternoon of May 12， 2008， an earthquake measuring8.0 on the Richter scale hit Sichuan Province， a mountainousregion in Western China.
