Evaluation of Uncertainty in Pitch Diameter Measurements of Thread Plug Gauge Using Tri-needle Method The Method for Measuring Diameter Size of Ring with Universal Measuring Microscope
三针法测量螺纹塞规中径的不确定度评定用万能工具显微镜测量环规内径尺寸的方法
Universal suffrage is thus the gauge of the maturity of the working class.
因此,普选制是测量工人阶级成熟性的标尺.
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