When is the first year of global 5G commercial use? (single-choice question, 2 points)
A. 0
B. 1
C. 2
D. 3
Answer:B
When is the first year of global 5G commercial use? (single-choice question, 2 points)
A. 0 B. 1 C. 2 D. 3
Explanation: Explanation