单项选择题

（）is on the panel of DF.

A.ZERO CLEARING
B.ANTI-CLUTTER-RAIN
C.DIMMER
D.CURSOR

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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
单项选择题
At the master gyrocompass，the compass card is attached to the（）.

A.spider element
B.sensitive element
C.link arm
D.pickup transformer
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