particle size weightfrequency distribution 粒度重量频率分布 size frequency distribution 粒度频率分布 particle size distribution 颗粒分布 ..
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sediment-size frequency distribution 沉积物粒度频率分布
size-frequency distribution 块度分布
size-frequency distribution curve of particle [土壤] 粒径频率分配曲线
Study shows that the frequency of this kind pulsating combustor depends not only on the figure size of combustor but also on temperature distribution of hot gas in it.
研究表明，这种类型的脉动燃烧器的频率不仅与燃烧器的形状和尺寸有关，而且与燃烧器内热气体温度分布有关。
The life property, the distribution and relationship of some organisms with the environment are discussed according to their size-frequency histograms and survivorship curves.
据一些种群的大小频率直方图和生存曲线讨论了部分生物的生存特征、空间分布及其与环境的关系。
With a corpus of French, we use a computer program to assess the students vocabulary usage in their compositions in terms of total size, actual size, frequency and distribution of graded words.
通过建立法语语料库，利用计算机程序提供的词汇总量、实际词汇量、词频和词级分布率等信息，对学生作文中使用的词汇进行测量，评价学生掌握和运用法语词汇的能力。
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