题目:
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
答案:
参考答案:B
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
参考答案:B