本文的工作为对二相饱和土壤介质更深入的研究打下了基础。
The work of this paper lays a foundation for deeper research on nonlinear analysis.
是优良的植物栽培介质和土壤改良产品。
It is good plant helps advance somebody's career medium and soil improvement product.
是优良的植物栽培介质和土壤改良产品。
It is good plant helps advance somebody's career medium and soil improvement product.
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