无码高清视频|成人自拍视频|欧美成人午夜无码A片秀色直播|草美女视频网站|美女被操网站在线观看

<ruby id="imy47"><small id="imy47"></small></ruby>

單項(xiàng)選擇題

Which information does the outer ring of a compass rose on a nautical chart provide（）.

A.variation
B.true directions
C.magnetic directions
D.annual rate of variation change

你可能感興趣的試題

單項(xiàng)選擇題

Which chart symbol indicates the bottom is clay（）.

A.Cly
B.Cla
C.Cl
D.C

單項(xiàng)選擇題

Where would you obtain data on currents for areas of the world not covered by the National Ocean Service（）.

A.In the Coast Pilot
B.In the Nautical Almanac
C.In the List of Lights
D.In the Sailing Directions

<pre id="m3ab0"><acronym id="m3ab0"></acronym></pre>

<ins id="m3ab0"></ins>