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浮钟式压力计可以用来测量计示压力或差压力。
Bell gages may be used to measure gage pressure or differential pressure.
试验数据分析表明，测站钟差经一阶多项式拟合后的残差可近似为零均值的测量噪声；
The experiment data analysis results show that the clock residual error of monitor station after fitting by 1st order polynomial is approximately taken as noise with zero mean.
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