带表卡尺是用表式机构代替游标读数，测量准确迅速。
The dial calipers apply dial mechanism instead of vernier for readings and can work accurately and rapidly.
讨论了分光计偏心差的产生及消除方法，并提出了一种利用分光计两游标读数差求出偏心程度的方法。
The paper discussed the eccentric error and method of eliminating eccentric error, and presented a way calculating eccentric grand by the reading difference of two cursors.
应用推荐