单词polar axis
un.: 极坐标轴
网络: 极轴；支架极轴；极轴线
极坐标轴
In the Northern Hemisphere, locate Polaris in the sky and Point the Polar axis of the mount in the direction of Polaris.
在北半球，从天空中找到北极星并使赤道仪的极轴望远镜指向北极星的方向。
The alignment of the polar axis and the monitoring of the guiding process require absolute accuracy.
极轴的摆放及追踪过程必须十分准确。
From the standpoint of the gyrocompass the earth appears to be rotating about an axis making an Angle with the true polar axis
从陀螺罗盘的位置观察地球，好象地球是绕着偏离其极轴ε角的一个轴在移动。
Polycrystal with random polar axis
具有任意排列极性轴的多晶体
Monocrystal with single polar axis
具有单一极性轴的单晶体
In Hong Kong, the polar axis should point north and the elevation should be 22. 5
在香港，极轴应指向天球北极，而仰角则为22.5度