99色精品-9色在线-99色在线-99色视频国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

<ins id="opirs"></ins>

<pre id="opirs"><legend id="opirs"></legend></pre>

<pre id="opirs"></pre>

單項(xiàng)選擇題

A chart with a scale of 1:80，000 would fall into the category of a（）.

A.sailing chart
B.general chart
C.coastal chart
D.harbor chart

你可能感興趣的試題

單項(xiàng)選擇題

A chart projection depicting the poles and a small area on either side of a connecting meridian，that is sometimes used for star charts，is the（）.

A.Azimuthal gnomonic projection
B.Lambert conformal projection
C.Transverse Mercator projection
D.Polyconic projection

單項(xiàng)選擇題

A chart position enclosed by a square is a（n）（）.

A.fix
B.estimated position
C.dead reckoning position
D.running fix

<em id="iffjf"></em>

<dl id="iffjf"></dl>

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