Bar Code Identification of level gauge for electronic levels;
电子水准仪水准标尺的条码识别
Examination of code-bar grade rod is to measure stripe error of grade rod or to determine the correct constant, and hence to guarantee the precision of measurement tasks.
对条码型水准标尺进行检测是测定标尺的分划误差或确定标尺的修正常数,也是实现精密测绘计量任务的重要保证。
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