目前LTE现网2.1G室分使用的频段为哪个band（）
A: band1
B: band2
C: band3
D: band4
A: band1
B: band2
C: band3
D: band4
举一反三
- (4) A. bank B. band A: bank B: band
- The energy level structure of semiconductor materials is not a discrete single-valued energy level, but a band structure with a certain width, called . A: Energy band B: Valence band C: Conduction band D: Forbidden band
- 对应band为，中移5G频段2.6G，对应band为（） A: N77 B: N78 C: n38 D: n39
- 以下哪些频段（Band），R9版本不支持？（） A: Band1 B: Band41 C: Band42 D: Band43
- On May.25, 1992 the British music newspaper Melody Maker featured a band on the cover with the headline "The Best New Band in Britain" before the band released their first single. The band is _________.