light grey soil 浅灰色土壤
prairie grey soil 湿草原灰色土
low-humic grey soil 低腐植潜育土 ; 低腐植黏化土
desert grey soil 灰漠土
ashen-grey soil 灰色土
grey forest soil [土壤] 灰色森林土
grey desert soil 灰钙土 ; [土壤] 灰漠土
deep grey soil 深位潜育土
dark grey soil 暗灰土
Grass sprouts burst through the soil right in the place of the withered grass and turn the dull grey into fresh green.
草豆芽冲破土壤的枯萎的草和沉闷的灰色变成新鲜的绿色。
The effect extent of soil property for wheat yield was analyzed by using correlation analysis, grey associate analysis and rough sets theory.
运用简单相关、灰色关联分析方法和粗糙集理论，分析了土壤特性对小麦籽粒产量的影响。
Based on grey collection, grey collection analysis method is pointed out and applied to assessment of soil environmental quality.
以灰色聚类为基础，提出了灰色模糊聚类分析法，并将其应用于土壤环境质量评价中。
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