They are embodiment of Lu Xun's feeling about his hometown and become the demonstrative words of Lu Xun's native soilcomplex.
它们凝结着鲁迅的乡土情结，成为鲁迅乡土情结的指示词。
2
First, we take the surface soil of the side slope as root-soilcomplex material and take the root as 3d reinforcement material to increase the soil strength.
首先，将边坡上的表层土视为根-土复合材料，草根可视为带预应力的三维加筋材料，使土体强度提高。
3
Soil water erosion is a complex physicochemical process.