1、

Based on the specialty of mountain hazards in Zhejiang province and Qingyuan county, evaluation unit of mountain stability environment was created by overlay the terrain elevation coverage, slope coverage, aspect of slope coverage, and soil type coverage.

根据浙江省及庆元县山地灾害的发生特点,以地形和土壤因素叠置生成的土地类型单元,作为山地环境稳定性评价单元。

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2、

compared soil quality rating with unit level of grain in jilin province, it leads to the results that: with the impact of natural and human factors, grain production is decided jointly by the natural soil fertility, planting structure and input level factors.

吉林省土壤质量等级与粮食单产水平的对比分析结果表明:受自然因素及人为因素双重影响,粮食产量由土壤自然肥力、种植结构以及投入水平等因素共同制约决定。

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3、

In the relatively dependent and most integral unit of catchment area in hilly red soil landscape, we study the yearly dynamics of surface water resources including rainfall, evapotranspiration and water storage.

以红壤丘陵景观中相对独立且整体性强的集水区为基本单元,重点研究了集水区内降水、蒸散、水量蓄存等地表水资源的年变化。

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4、

field capacity is a property of a unit volume of soil.

野外容水率是单位土体的一种特性.

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5、

The conditions for electro and magnetic precursor are the tectonic unit, the composition and thickness of Cenozoic group, the soil type near the surface and the lithologic property under Cenozoic group and the depth of the layer with high electric conductivity in the earth crust.

影响地电磁类台站映震能力的主要条件是构造单元、新生界盖层的结构与厚度、表土岩性、基底岩性与壳内高导层顶面埋深等。

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6、

Each soil ecological unit of the basin-valley soil ecosystems has its own particular local climates, relief conditions, soil typ-es and resource advantages, therefore, it has a different develop-ing direction from the others'.

盆谷地中山棕色针叶林土生态单元。盆谷地土壤生态系统的各个土壤生态单元分别具有各自的地方气候、地形条件、土壤类型和资源优势,因此它们有着不同的经营方向。

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