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单选题
Charted depth is the（）.
A
vertical distance from the tidal datum to the ocean bottom plus the height of the tide
B
vertical distance from the tidal datum to the ocean bottom
C
average height of water over a specified period of time
D
average height of all low waters at a place
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考题
单选题To predict the actual depth of water using the Tide Tables，the number obtained from the Tide Tables is（）.A
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divided by the charted depth
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考题
单选题Charted depth is the（）.A
vertical distance from the tidal datum to the ocean bottom plus the height of the tideB
vertical distance from the tidal datum to the ocean bottomC
average height of water over a specified period of timeD
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vertical distance from the chart sounding datum to the ocean bottom，plus the height of tideB
vertical distance from the chart sounding datum to the ocean bottomC
average height of water over a specified period of timeD
average height of all low waters at a place
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actual depth of waterB
actual depth of water below keelC
average depth from waterline to hard bottomD
average depth of water to soft bottom
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Four times the depth of waterB
Two and one-half times the depth of waterC
Five to seven times the depth of waterD
Fifteen times the depth of water
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