grain-size composition

基本解释

The results show that carbonate content is influenced by grain-size composition and source of the sediments.
结果表明，沉积物中碳酸盐含量明显受沉积物粒度组成和物源的影响。
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Jaodong sandy silt is a soft soil with low liquid limit. Based on the grain-size composition, it can be divided into sandy clay and silty soil.
胶东含砂粉土是一种低液限型软土，根据粒度构成，可划分为砂质粉土和粉土质土。
The results show that the wind erosion rate is different for different parent materials due to the different structure, grain-size composition and soil moisture and so on.
结果表明：不同的粒度组成、沉积构造、土层湿度、扰动状况等都影响风蚀模量。
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