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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They say the roots develop better. But Jeffrey Dinslage, president of Nature Hills Nursery in Omaha,Nebraska, points out that bare-root roses come without soil.

VOA: special.2010.06.15

Bare-root plants have no soil on their roots.

VOA: special.2009.03.03

And now, for the first time in centuries, grapevines are taking root in soil that was once considered infertile.

BBC: The Negev desert wine route

Thanks to the Federal Reserve and other destructive creations of government, the process of creative destruction rarely takes root in American soil anymore.

FORBES: Give Creative Destruction A Chance

My immobility was complete, as if tendrils of myself had burrowed down and sought root in the soil of Japan, rendering me brainless vegetation.

NEWYORKER: Rat Beach