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

<pre id="ctujw"><strong id="ctujw"></strong></pre>

<ruby id="ctujw"><xmp id="ctujw"></xmp></ruby>

<blockquote id="ctujw"><acronym id="ctujw"></acronym></blockquote>

單項(xiàng)選擇題

You are using a radar in which your own ship is shown at the center，and the heading flash always points to 0°. If bearings are measured in relation to the flash，what type of bearings are produced?（）.

A.Relative
B.TRUE
C.Compass
D.Magnetic

你可能感興趣的試題

單項(xiàng)選擇題

Compass deviation is caused by（）.

A.magnetism from the earth's magnetic field
B.misalignment of the compass
C.magnetism within the vessel
D.a dirty compass housing

單項(xiàng)選擇題

Compass error is equal to the（）.

A.deviation minus variation
B.variation plus compass course
C.combined variation and deviation
D.difference between true and magnetic heading

<ruby id="ihaer"><xmp id="ihaer"></xmp></ruby>