Charted depth is the ___ . A. vertical distance from the chart datum to the ocean bottom, plus the height of tide B. vertical distance from the chart 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

单选题

Charted depth is the ___ .A. vertical distance from the chart datum to the ocean bottom, plus the height of tideB. vertical distance from the chart 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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单选题

What is the meaning of “MEASURE THE DEPTH OF THE DENT WITH A STRAIGHTEDGE AND A.”

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单选题

Moderate icing means the depth of icing is _______ mm per minute.

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单选题

What is the meaning of MEASURE THE DEPTH OF THE DENT WITH A STRAIGHT EDGE AND FEELER GAUGES.

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单选题

When one feature replaces an existing feature and the position remains as charted, ______command is used. A. MOVE B. DELETE C. AMEND D. SUBSTITUTE（替换）

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