平均斜率 meaning in English

average gradient

Photography - source document microfilms - determination of iso speed and iso average gradient
原件缩微摄影胶片. iso感光度和iso平均斜率的测定
The fourth chapter introduces the theory of fractional brown movement ( fbm ) . the image texture of turning workpiece is analyzed using fbm model . after abstracting the texture character , the cutting tool wear status can be determined according to fractal dimension and average slope of the fitting curve of the logarithm power spectrum
第四章采用分数布朗运动( fbm )的基本理论，对切削工件表面纹理的图像进行分析，提取纹理特征参数，根据分形维数和图像上对数功率谱的拟合曲线的平均斜率来判断刀具的磨损状态。