单项选择题
A compass card without north-seeking capability that is used for relative bearings is a(n)（）.
A.bearing circle
B.pelorus
C.bearing bar
D.alidade
点击查看答案&解析
相关考题
-
单项选择题
（）is on the panel of DF.
A.RINGS INT
B.SWEEP INT
C.REPEATER
D.GONIOMETER -
单项选择题
Quadrantal error in a gyrocompass has its GREATEST effect（）.
A.in high latitudes
B.near the equator
C.on north or south headings
D.on intercardinal headings -
单项选择题
As a vessel changes course to starboard，the compass card in a magnetic compass（）.
A.remains aligned with compass north
B.also turns to starboard
C.first turns to starboard then counterclockwise to port
D.turns counterclockwise to port
