Steady precipitation is typical of().
A. Coming cold weather conditions
B. A warm front weather condition
C. High pressure conditions
D. Scattered cumulus cloudsduring the day
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简述TD-SCDMA包含哪些物理层过程(列出5条即可)。
平原1:500比例尺地形图,等高距选择()较为合适
A. 0.5m
B. 1m
C. 1.5m
D. 2m