The datum from which the predicted heights of tides are reckoned in the tide tables is（）.
- Amean low water
- Bthe same as that used for the charts of the locality
- Cthe highest possible level
- Dgiven in table three of the tide table
问题
The datum from which the predicted hei
参考解析：
分类：港口国检查文件及报告（PSC）题库
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