基本解釋[地球科學]錳結核多金屬結核英漢例句雙語例句The curve model can express well the relation between silt content, sand content, slope deposit depth, iron-manganese concretion depth , all the soil fertility properties and terrain.其中，對數(shù)模型能夠?qū)ν翆雍穸?、粘粒含量與地形的關系進行最優(yōu)擬合；manganese concretion更多例句詞組短語短語iron manganese concretion 鐵錳結核manganese concretion更多詞組專業(yè)釋義地球科學錳結核多金屬結核