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.
利用一种光学力传感器的精密仪器使测量收缩里成为可能，给出一些较其他研究小组更精密的读数。
It's made possible by a precise instrument called an optical force transducer that gives more precise readings than that used by other teams.
通过多个实验表明，试样的均衡性、读数误差控制范围的正确确定以及样本菌量的正确估计，都是影响实验室菌落计数精密度控制的因素。
The results show that homogeneity of samples, correct determine of control range of reading errors and correct estimation of bacterium account are elements that affect accuracy of aerobic plate count.
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