相关考题
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单项选择题
Charted depths（）by 2 meters due to state of the winds．
A.is decreased
B.decreased
C.decreases
D.are decreased -
单项选择题
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 -
单项选择题
Chart legends which indicate a conspicuous landmark are printed in（）.
A.capital letters
B.italics
C.boldface print
D.underlined letters
