单选题船舶如遇海上天气、海况恶劣，风、气压、海浪等项目要求加密观测，时间间隔为（）。A0.5hB2hC3hD1h
单选题
船舶如遇海上天气、海况恶劣，风、气压、海浪等项目要求加密观测，时间间隔为（）。
A
0.5h
B
2h
C
3h
D
1h
参考解析
解析：
暂无解析
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