anomaly in alluvium 冲积物异常
Alluvium period 第四纪
stratified alluvium 层状冲积层 ; [水利] 成层冲积层
fluvial alluvium 河铃积层
bedded alluvium 层状冲积层
river alluvium 河流冲积物
continental alluvium 陆相冲积层 ; 大陆冲积层
thick alluvium 厚冲积层 ; 厚松散层
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以上来源于: WordNet
N a fine-grained fertile soil consisting of mud, silt, and sand deposited by flowing water on flood plains, in river beds, and in estuaries 富含泥沙并适合谷物生长的富饶冲积层; 在平原、河床和江河的入海处被水流冲击形成
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