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Shen Nong tasted herbs to distinguish the poisonous and edible ones()

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San Francisco is the second largest city after New York and the world famous Hollywood and Disneyland are located here()

The state of Texas is the largest in area of all the states in the U.S()

Which one is not included in the three main functions of GNSS()

A. Positioning
B. Navigation
C. Timing
D. Photograph

“World Geodetic System,WGS-84” is an international space coordinate system standard()

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