单项选择题

GYR1测风经纬仪仰角和方位角器差产生的原因是（）与（）之间的位置发生微小变化，造成不重合所致。 A.
仰角轴、方位轴 B.
光轴、机械轴 C.
光轴、电轴

你可能感兴趣的试题

恐慌万状什么意思？恐慌万状怎么读？

答案：参考答案：
拼音：kǒng huāng wàn zhuàng，简拼：khwz
成语解释：恐：害怕；慌：...

单项选择题

Choose the most helpful keyword for each statement. In one experiment, foraging teams were able to use their sense of smell to find food.( )

A．experiment
B．foraging teams
C．use their sense of smell
D．find food