You take the flux, multiply it by the cross section, average it, integrate it over the whole volume.
你拿流量乘以横截面，平均它，乘以它除以总容积。
Algal growth rate is different with average velocity, water depth and cross-section width.
藻类的生长速度因各断面的流速、水深和水面宽的不同而不同。
Moreover, the average collision cross-section between a slow electron and a neutral particle is measured at several different temperatures using both the interferometer and the transmission methods.
本文将条纹干涉仪与透射仪联合使用，测定了在某些温度下慢电子与中性粒子的平均碰撞截面。
The relationship is derived in this article between the weighted average of length variation coefficient and the distribution function of the cross-section area of fibre bundle.
本文推导了按重量加权的长度变异系数与纤维束截面积分布函数之间的关系。
Including cross-section slice of the point cloud data points for the average effective sample obtained the spray gun spray path.
包括对点云切片截面有效数据点进行平均采样，得到喷枪在工件表面的喷涂路径；
The density of mitochondrial, the density of the surface number and average cross section in the experiment group showed great distinction compared with the model group(P<0.01).
用药组的线粒体体密度、面数密度和平均截面积与模型组相比差异有非常显著意义（P< 0 0 1 ）。
The density of mitochondrial, the density of the surface number and average cross section in the experiment group showed great distinction compared with the model group(P<0.01).
用药组的线粒体体密度、面数密度和平均截面积与模型组相比差异有非常显著意义（P< 0 0 1 ）。
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