cover height

With the Factor analysis, the results showed that the factors affected the habitat choice of plateau pika were habitat position, soil character, water distance, shrub cover ratio and height of Broad leaf vegetation.

统计结果显示：影响高原鼠兔生境选择的主要因子依次是生境位置、土壤质地、离水源的距离、灌丛植物盖度和阔叶植物高度。

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The vegetation height and the percentage of vegetation cover of nest-site of small skylark were significantly higher than those of horned lark ( P0.01).

角百灵巢址植被的高度和盖度也显著小于小云雀的（P001）。

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The Vertical Structure Diversity Index and Cover Weighted Foliage Height Diversity Index based on the Shannon-Wiener Diversity Index were used to measure the complicated degree of the vertical structure of the plant community.

提出了以Shannen-Wiener多样性指数为基础的植物群落垂直结构多样性指数和盖度加权叶层多样性指数、作为森林植物群落垂直结构复杂性的测度。

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Steel bar arrangement, concrete cover thickness and stirrup height in beam-slab Foundation

梁板基础钢筋排列与保护层厚度及箍筋高度

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An overhead structure is also adopted and the height of the box cover which is opened is heightened.

还采用了加高架的结构，加高了打开后盒盖的高度。

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Then I add cold water to a height that will cover me nearly to my waist when I sit in the tub.

首先，我将2-3包碎冰放在浴缸中，再加冷水到坐进去大约能淹没我腰的高度。

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As the result of the co-action of the erect stubble and vegetation cover, The position that the maximum soil wind erosion amount for conservation tillage farmland measured by sand sampler located in the height range of 18~ 40cm.

由于直立残茬和植被覆盖的共同作用结果，风洞集沙仪收集的保护性耕作农田最大土壤风蚀量集中在距地表18～40cm的高度范围内。

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The roughness length of vegetation cover surface depends on the type, height, coverage of the vegetation, zero-plane displacement height, free velocity, friction velocity and the atmospheric stratification stability.

植被覆盖面空气动力学粗糙度长度取决于植被类型、植被高度、覆盖度、零平面位移高度、自由风速、摩擦速度以及大气层结稳定度。

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Simulated rainfall and text box are used to quantify impacts of straw cover amount and stubble height on volume and processes of Runoff-sediment-yield. Probe into the effect and mechanism of conservation tillage reduce soil and water loss. The main results are as follows: 1.

本论文利用模拟降雨方法和土槽径流小区系统，定量分析秸秆覆盖和留茬高度对产流产沙量和产流产沙过程特征的影响，探讨了保护性耕作减少水土流失的作用与机理。

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