grading of soil的例句大全

grading of soil moisture availability and its productivity on goldspur apple orchard in loess hilly-gully region

黄土丘陵区金矮生苹果园土壤水分有效性及生产力分级

Investigation on the numerical method of grading paddy soil fertility

水稻土肥力水平数值分级方法的探讨

according to some standards of erosion grading by mwr of china, we finished the classification of soil erosion and potential amount of soil erosion of xingguo county.

依照中国水利部制定的侵蚀分级标准，完成对江西兴国县现实土壤侵蚀量和潜在土壤侵蚀量的分级。

and the soil loss of the grading terrace is more serious than the paddy field, with lower hypsography .

地势较高的缓坡梯田比地势低的水稻田侵蚀严重。

the process of grading soil erosion potential danger and its spatial distribution of changchun city was carried out in arcgis 8. 3.

在ARCGIS8.3地理信息系统（GIS）支持下，实现了土壤侵蚀潜在危险的分级及其空间分析。

The distinguishing index and grading standards of expansive soil are recommended by Specifications for Design of Highway Subgrades ( JTG D30 – 2004).

《公路路基设计规范》（JTG D30–2004）建议的膨胀土判别与分类的新指标未经广泛验证，其适用性有待探讨，其分级标准更需广泛的试验验证。

The property of hydraulic fracture of wide grading gravelly soil

宽级配砾石土水力劈裂特性的研究

Microscopic image analysis method for grading of eroded soil particles from filtration system

反滤系统渗透流失土颗粒级配的显微图像分析法

And research results of wide grading gravelly soil and clay are analyzed by contrast.

并将所得的宽级配砾质土相关研究结果与有关文献中粘性土的研究成果进行了对比分析。