hard soil

When the soft soil is over the hard soil the anti-overturning safety factor increases with increasing of the width and the embedded depth of the wall respectively.

土层上软下硬时，水泥土围护结构抗倾覆稳定系数分别随着墙体宽度与入土深度的增加而增加。

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The characteristic of the white-sand rock is between the hard soil and soft rock.

白砂岩的性状是介于硬土与软岩之间,被扰动后呈松散状.

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This means that the root of the seeded plant grow more preferentially than the growth of stem under hard soil conditions.

这就意味着在紧实的土壤条件下，播种苗的根系生长要优先于地上部的生长；

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The undisturbed soil of the saline-alkaline grassland had the characteristics of hard soil, poor permeability, weak preserving water capacity, and the inhibition for the growth of the grass and the crop, so the produced potentiality of the crop did not adequately play.

盐碱化草原的原状土土壤坚硬而密实，土壤通透性差，涵养水分能力弱，对牧草和作物的生长发育具有抑制作用，作物的产出潜能也不能得到充分发挥。

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Pointed out the slope high the ratio of slope and the weathering depth is the hard soil and soft rock side slope stable major effect factor.

指出坡高、坡比和风化层厚度是硬土软岩边坡稳定性的主要影响因素。

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Physical and mathematical models for the perforation of a projectile in a target are established with the assumption that the target is half-infinite in size and made of hard soil or concrete, and that the angle of fall is form 0 ° to 90 °.

建立了侵彻弹以任意姿态侵彻半无限混凝土目标介质时的物理和数学模型。

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