线纹尺是用金属或玻璃制成的、表面上准确地刻有等间距平行线的长度测量和定位元件，也称刻线尺。线纹尺的线条间距一般为1毫米或0.1毫米。
该方法利用精密线纹尺和读数显微镜对数控机床的定位精度和重复定位精度进行检验。
In this method, the positioning accuracy and repeated positioning accuracy are tested using the precision linear scale and the reading microscope.
本系统不仅用于计量长光栅动态检测，还可用于感应同步器、磁栅、线纹尺等长度计量元件的动态检测。
The method is used not only in the measurement of grating, but also in the dynamic measurement of other metrological length components.
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