... soil air composition 土壤空气组成 soil air diffusion 土壤空气扩散 soil air exchange 土壤空气交换 ...
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?扩散
气体扩散(soil air diffusion)土壤中气体分子因浓度梯度或气体分压不同而产生的气体移动。
双语例句
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The methane emission from soil to the atmosphere is mostly through rice plants, only small amounts of methane is released across the water-air interface via bobbles or molecular diffusion.