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access的含义（）

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seam含义（）；seamless含义（）

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4G is characterized by high speed of data transfer and improved quality of sound.

A. 对
B. 错

The goal set by ITU for data rates of WIMAX and LTE is to achieve 10Mbps when the user ismoving with high speed relative to the base station, and 100Mbps for fixed positions.

A. 对
B. 错