单选题The quality of EGC messages is（）affected by the position of the ship, the time of reception and climatic conditions.AsometimesBall timesCneverDpartly
单选题
The quality of EGC messages is（）affected by the position of the ship, the time of reception and climatic conditions.
A
sometimes
B
all times
C
never
D
partly
参考解析
解析：
暂无解析
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