The dial calipers apply dial mechanism instead of vernier for readings and can work accurately and rapidly.
带表卡尺是用表式机构代替游标读数，测量准确迅速。

Vernier was used to measure the length indexes and the distance from the apical foramen to the tip of the root.
游标卡尺测量各项长度指标及根尖孔到牙根顶点的距离。

Infratemporal space and its adjacent structure were observed and its diameter and area were measured with vernier caliper and planimeter.
利用游标卡尺及求积仪分别测量其径线和面积。