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利用计算机以直线回归法分析便携式 X射线机的曝光曲线 ,求得回归直线方程式后对射线能量的选择具有可靠的指导意义。
Using the computer to analyze the exposure curve of the portable X-ray machine by the linear regression method, it is of guiding significance to select the ray energy after the regression line equation is obtained.