2021-10-22
CeBIT 2011
时间： 2021-10-22
HANOVER, GERMANY – FEBRUARY 28: A woman walks past the IBM logo at the CeBIT technology trade fair the day before the fair’s official opening on February 28, 2011 in Hanover, Germany. CeBIT 2011 will be open to the public from March 1-5. (Photo by Sean Gallup/Getty Images)
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