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游标卡尺是一种测量长度的工具.其读数方法可以归纳成一个一般的公式.设游标卡尺能准确读到Ymm;测量时游标零刻线在主尺上Kmm刻线和K+1mm刻线之间;游标上第n条刻线与主尺上某条刻线重合.则被测物体的长度为:L=(K+n·y)mm见下图.
The vernier caliper is a tool for measuring length. Its reading method can be summarized into a general formula. The vernier caliper can accurately read Ymm; the vernier zero reticle is measured between the Kmm reticle on the main ruler and the K+1 mm reticle when measuring; The n-th ruler on the cursor coincides with an engraved line on the main ruler. The length of the measured object is: L = (K + n · y) mm See the figure below.