查询词典 loess plateau

In our country, the petroleum mothball resources are mainly distributed in mountain area, Loess Plateau, desert, Gobi etc. furthermore, these areas are very complicated not only on surface but also under ground.

然而，我国的石油后备资源主要分布在山地、黄土塬、沙漠、戈壁等非常复杂的地区，不仅地表复杂，而且地下复杂。

Loess Plateau ; evolution of paleogeography ; erosion history ; stage division ; future development

黄土高原；古地理演变；侵蚀历史；阶段划分；未来发展

As the representative of the northern Loess Plateau gully region, the soil quality under different cultivation length of the orchard in Changwu county was studied. Using partial correlation coefficient to determine the weight, combined with evaluation of membership Sanction to evaluate soil quality levels of the area, the trend of orchard soil quality under different cultivation years was analyzed. The results showed that the IFI values of orchard soil were between 0.22 and 0.70, 27% of them reached the second soil quality standards, 64% reached a third-level soil quality standards, 9% met the fourth standards of soil quality.

以长武北部黄土高原沟壑区为代表，研究了不同果园种植年限下的土壤质量现状，运用偏相关系数法确定权重，结合隶属度函数评价了该地区土壤的综合肥力水平，分析果树种植中土壤质量随着种植年限的变化趋势，结果表明：黄土沟壑区果园土壤IFI值在0.22~0.70，其中有27%达到了2级土壤质量标准，64%达到了3级土壤质量标准，9%达到了4级土壤质量标准。

The adaptability of partridge pea is weak in the most parts of the Loess Plateau.

美丽鹧鸪豆在黄土高原大部分地区的适应性较差。

Soil erosion on cultivated slope land in Ansai experimtnta l plots northern Shaanxi was deterˉ mined by 137 Cs tracing method.The relationship between soil erosion and soil pro perty on northern Loess Plateau was investigated.

运用 137 Cs示踪了陕北安塞试区坡耕地土壤侵蚀量，并以室内分析的方法研究了黄土高原北部坡耕地土壤侵蚀与土壤性状的关系。

In accordance with the characteristics of soil erosion of small watershed in the loess plateau, the problem on building the soil erosion model system was analyzed.

针对黄土高原小流域土壤侵蚀的特点，对建造土壤侵蚀量模型系统进行了分析。

Soil erosion in the loess plateau, is great environmental problem at present, and soil erosion monitoring is of great significance for stipulateing the countermeasures against soil erosion.

在我国，黄土高原的土壤侵蚀是目前举世瞩目的环境问题，土壤侵蚀监测对土壤侵蚀防治对策的制定具有重大意义。

Soil erosion is the most serious ecological environmental problem in Loess Plateau of China. Unreasonable land use practice is identified as one of the most important reasons for triggering and aggravating soil erosion, and the driving mechanisms for land use change and the relationship between land use spatial pattern and soil erosion are the important aspects for the study about soil erosion.

水土流失是黄土高原地区严峻的生态环境问题，不合理的土地利用是引发和加剧水土流失的重要原因之一，土地利用变化驱动机制和土地利用空间格局与水土流失关系是其研究的重要方面。

Grain makings billabong, build grow line of business 3 yuan of structures are the inevitable choice that solves problem of loess plateau commissariat.

粮料分流，建立种植业三元结构是解决黄土高原粮食问题的必然选择。

This paper discussed the significance of eco-economic regionalization of the Loess Plateau as reported in existing literature.

在概述生态经济分区现状的基础上，提出了在黄土高原进行生态经济分区的重要意义。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。