The major characteristics of soils are texture, acidity, nutrient content, gaseous content, and moisture content.
土壤的主要特性有质地、酸度、养分含量、气体含量和含水量。
For material itself, the main factors included the characteristics of cereal starch, and the moisture content, granularity and uniformity of the material.
就物料本身而言，主要因素有：谷物淀粉的特性、物料水份、物料粒度、均匀度。
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