游标卡尺的雏形在中国出土陈曙朝在机械行业，人们最常用和最熟悉的量具，莫过于游标卡尺了。游标卡尺，是利用游标原理对两测量爪相对移动分隔的距离进行读数的通用长度测量工具。它主要由一根刻有整数值（如１毫米或１／１６英寸）的主尺和一根移动的副尺（游标）组成，... Vernier caliper ruler unearthed in China Chen Shuchao In the machinery industry, people are most commonly used and the most familiar measuring tool, than the vernier caliper. Vernier calipers, is the use of the principle of the cursor on the two measuring jaw relative to move the distance to read the general length of the measuring instruments. It mainly consists of a main ruler engraved with integer values ​​(such as 1 mm or 1/16 inch) and a moving ruler (cursor), ...