Simplified capital-the model, also brought mistake, because the model has and measurement historian, mathematical historians have pursuit of realistic conclusion had the very big disparity.
简化虽然带来了模型，也带来了错误，因为此时的模型已经与计量史家、数理史家所追求的现实结论有了很大的差距了。
The mathematical model of the surface shape measurement of aspherical optical components is built up according to the laser scanning measurement principle by the translation & rotation method.
根据激光扫描平移加旋转法的测量原理，推导出了非球面光学零件面形测量的数学模型；
The paper also presents the mathematical model and measurement principle of the mass flow meter in detail.
文章还详细给出了该质量流量计的数学模型和检测原理。
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