Belonging to the legume family, it enters a complex symbiosis with soil bacteria called rhizobia, which results in the formation of a new root organ, the nodule.

作为豆科植物的一员，大豆与一种被称之为根瘤菌的土壤细菌形成了复杂的共生关系，结果导致新的根器官——根瘤的形成。

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First, we take the surface soil of the side slope as root-soil complex 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。

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