With the assumption that the sites of fracture nucleation are randomly distributed in the sample, we deduce out a set of enclosed equations for predicting the fragment number and size distribution.
同时，假设断裂成核点随机分布于样品中，依据统计原理导出了一组完备的方程组，由此从理论上给出了碎片的数目及其大小分布关系式。
The minimum and maximum scales of output, in relation to the total demand or market size have an important bearing on the number and size distribution of firms in an industry and on concentration.
与总需求和市场规模相关的产出的最小与最大有效规模，对于产业中企业的数量和规模分布及产业集中度有着重要意义。
The results show that the size distribution, diurnal variation, daily variation of atmospheric aerosols have a good relation to relative humidity and Richardson number.
研究结果表明，气溶胶浓度和谱分布存在明显的日变化和逐日变化，并在很大程度上受空气相对湿度和理查森数影响。
应用推荐