单项选择题A.TD-SCDMA is less mature than the other two technologies.B.TD-SCDMA hasn’t made great progress in the 3G field tests.C.TD-SCDMA does a good job in the 3G field tests.D.TD-SCDMA developed domestic hasn’t been mature enough.
单项选择题A.Travelled seven years to the surface of Titan.B.Travelled from one planet to another for more than seven years.C.Transmit registering datum to the Earth.D.Transmit registering datum to Cassini spaceship.