Shows difference of the value according to the micrometerdial in the both sides to be possible to obtain is measured the Angle the error.
根据测微仪在两端的示值之差可求得被测角度的误差。
2
An optical telescope with a micrometer is used to precisely adjust the polar axis of an equatorial radio telescope and any precise dial and clock will not be needed.
使用一具附有测微器的光学望远镜配合赤道式射电望远镜进行极轴精密调整，不需用精确的度盘和记时设备。
3
Hands on with the all mechanical measuring instruments like Micrometer, dial bore gauge, Vernier, Height Gauge etc.