The so-called population urbanization not only means the increase in the numbers of cities and population, but also the tendency and process of the mass population gathering towards big cities.
所谓人口城市化不仅表现在城市数量的增多与城市人口比重的提高，而且还表现为众多人口日益向大城市聚集的趋势和过程。
Ye held for writing for daily life and mass population, which is still of a strong operational significance and practical value and enlightens a lot on middle school writing tutoring.
叶圣陶先生主张写作的生活化和大众化，这一观点至今具有很强的现实意义和实践价值，给中学写作教学很多的启示。
Focusing on the mass population balance model, the effect of granule size distribution on the packing voidage will be discussed in detail.
研究工作将在质量集合平衡模型的基础上，考虑造粒粒度分布对孔隙度的影响。
Focusing on the mass population balance model, the effect of granule size distribution on the packing voidage will be discussed in detail.
研究工作将在质量集合平衡模型的基础上，考虑造粒粒度分布对孔隙度的影响。
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