soil layer的例句大全

they say the dark side has a thick upper layer of soil.

他们说，黑暗的一面有一个厚厚的的土壤上层。

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horizon of soil of ground heat exchanger was been compartmentalized two layer with clay and gravel.

然后建立了土壤换热器的热阻传热模型，并与实测值进行比较。

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the diameter-varied soil-cement deep mixed column is developed to improve multi-layered soft ground with the soft layer in the middle.

提出了以变径水泥土搅拌桩加固软土层位于中间的多层软弱地基的方法。

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about 72, 000 years ago, our ancestors along coastal south africa made tools from silcrete, a cement-like layer of soil.

大约7万2千年以前，在南非的沿海地带，我们的祖先用硅结砾岩（类似水泥的土壤层）制造石头工具。

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practical curve for calculating the grounding resistance of vertical electrode in two-layer soil

双层土壤中接地电阻的工程实用曲线

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application of lime-soil on subgrade surface layer in shuozhou-huangnuagang railway

石灰改良土在朔黄铁路基床表层的应用

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effects of tillage on corn and soybean yields in middle layer black soil of northeast china

中层黑土不同耕作方式对玉米、大豆产量的影响

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there are clay in upper tertiary system and loose soil in quaternary, in the basin. weathering marlite and gravelly soil is the rock layer.

盆地内部主要发育上第三系粘土岩以及第四系松散土类，主要持力层为风化泥灰岩和砾石类土层。

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rock fragment layer delayed the rain pulse peak of soil respiration, and the delay duration increased with the increase of rainfall.

碎石隔层延迟了土壤呼吸的降雨脉冲峰值，延迟时间随雨强的增大而增长。

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output-input analysis of nutrients in the farmland ecosystem with immature soil as plough layer

淮北滨海地区生土农田养分产投分析

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the peat soil is the mire layer which formed by the plant remains under the oxygen deficit condition.

泥炭质土是植物遗体在缺氧条件下经缓慢分解形成的泥沼覆盖层。

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linden tree where korean pine humus layer and soil surface in a number of diversity index showed the greatest advantage.

其中椴树红松林在腐殖质层和土壤表层的多个多样性指数中表现出最大的优势。

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in the fourth year, the increments of soil organic matter in tilling layer for each manure level were 69.7%, 65.0% and 140.1% respectively.

第4年各施肥水平下的耕层土壤有机质增加量分别为69.7%、65.0%和140.1%；

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effects of soil-drying layer on afforestation in the loess plateau of shaanxi

陕西黄土高原土壤干层对植树造林的影响

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remarkably, hill closing for forestation can improve the physical properties of soil, increase its content of organic materials such as n and k and enhance the thickness of humus layer, thus improving the fertility of forest soil.

封山育林能明显改善林地土壤的物理性质，提高土壤中有机质、全N和速效K的含量，增加腐殖质层厚度，使土壤肥力得到提高。

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humus layer in different forest types and soil surface type and quantity of soil fungal communities have a significant difference.

不同林型腐殖质层和土壤表层的土壤真菌群落种类和数量都具存在显著差异。

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under layer ( 115cm below) of soil contains the most water, and fluctuates less, and this is called comparatively stable floor.

下层（115cm以下）土壤含水量高，波动幅度小，为土壤水分相对稳定层。

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study on salinity migration in plough layer soil irrigated by seawater in semi-arid region

半干旱区海水灌溉农田土壤盐分运移规律的研究

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temporal and spatial variability of soil nutrients in plough layer of farmland soils in ningxia province

宁夏农田土壤耕层养分含量的时空变化特征

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identification of parameters in lumped-parameter model of layered-soil by using improved ekf method

利用改进的EKF滤波技术识别成层土集总参数模型的参数

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