top soil的例句大全

Jonathan Lynch: For some nutrients like phosphorous top soil , we want shallow roots.

纳森?林奇: 为有效吸取表土磷等营养物, 浅根更适合.

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theroot infection rate was higher in top soil than in subsurface soil in ash and larch plantation.

水曲柳和落叶松林分表层的侵染率高于亚表层的侵染率。

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diversity of large animals in top soil layers on forest and grass scenic borders in loess hilly areas

黄土丘陵区林-草景观边界土壤表层大型动物多样性研究

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Protection of grassland vegetation and top soil layer is vital to avoiding the development of blowouts.

保护沙质草原区植被和地表土层不受破坏是防止风蚀坑发生发展的关键。

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But the residue forms for REEs in treatment V was enhanced in top soil.

但对表层土壤中残渣态稀土的含量有一定的增加作用。

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The general amount of soil group in tilth top soil of sugarbeet were higher, the stability of every grade soil group was al-so higher.

甜菜茬耕层土壤的水稳性团聚体总量较高，各粒级团聚体的稳定性也较高；

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Over-farming and drought led to400,000 square kilometers of prime top soil blowing away in the wind in the1930s, exacerbating, and exacerbated by, the Great Depression.

在上个世纪30年代，过度耕作以及干旱导致了40万平方公里的优质表层土壤被风刮走，这种恶果既加剧了大萧条，同时也是被大萧条所加剧。

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the top soil and irrigating water in the organic vegetable farm in shanghai were sampled, in which the heavy metals were analyzed and evaluated.

通过对上海市某有机蔬菜地耕作层土壤和灌溉水进行的实地取样，分析了土壤和灌溉水中重金属含量并进行评价。

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forest borders were places where diversity of large animals in top soil layers was highest and communities of soil animals were complicated, number of species was rich and distributed evenly;

林缘处是土壤表层大型动物多样性最高的地方，这里土壤动物群落较复杂，类群数较多，分布均匀；

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grasslands were places where diversity of large animals in top soil layers was lowest and communities of soil animals were singularity, number of species was fewer and individuals were rich and distributed unevenly, and dominant species behaved outstandingly;

草地是土壤表层大型动物多样性最低的地方，这里土壤动物群落较单一，土壤动物类群数偏少，个体数偏多，分布的均匀性较差，优势类群表现突出；

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Heavy rain can quickly wash away the rich top soil on flat, open land.

飘泼大雨能很快地冲走那里的平坦开阔的表层土壤。

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When you get ready to fill your hole with top soil in your flower bed landscaping project, be sure to use good loam.

当你准备给你补洞土顶花坛美化你项目一定要利用好壤土。

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All three patterns could abate the effect of rain splash erosion on loose top soil, enhance soil water content and vegetation coverage and promote the formation of the stable harmonious community of forest and grass.

三种模式均能有效地减轻雨滴对疏松表土的溅蚀，提高了土壤含水率和植被覆盖度，利于形成林草和谐共生的稳定群落。

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The soil water content and the plant biomass fluctuate along the slope from the top to its bottom showing that better vegetation consumes more soil water.

沿坡长方向从坡顶到坡脚土壤含水量和生物量的变化呈波浪状，且生物量波峰基本与土壤水分波谷相对应，这说明较高的植被生产力消耗较多的土壤水分。

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The directional blasting is implemented for unstable landslide to toss soil from the top to the toe to lower the gravity center of the landslide.

对不稳定的土体采用定向控制爆破方法，将滑坡体上部土体抛掷到坡脚，降低坡体的重心，达到治理滑坡的目的。

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A piece of sod has grass on the top and soil on the bottom.

一块儿草皮的顶部是草，底部是土壤。

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The concentration of Cd in the soil sections reduced from the top down, Cd was enriched in the surface, which increased the risk of agricultural produce.

土壤剖面层次中Cd含量呈从上到下逐渐降低趋势，Cd大部分富集在土壤表层，即耕作层，给农业生产带来了极大的风险。

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The inner-bracing soldier pile retaining system has the advantages of high reliability, no trespassing red line, strong stratum adaptability, being easy to be combined with the top-down construction method, etc*, which is widely used in deep excavation supporting system in soft soil area.

在软土地区基坑支护中，内撑式排桩支护体系由于具有较高的可靠性、不侵越红线、地层适应性强、便于与逆作法施工相结合等优点而得到广泛应用。

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If the top has soil marks, stains or bird droppings, use a small, stiff, natural fibre scrubbing brush.

如果顶部有泥土斑点，污点或鸟类粪便的话，用小张的硬的自然纤维的毛刷刮掉。

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The activities of soil urease fluctuated with soil depth in both top and middle slope positions, but increased in the pattern of solar slope> lunar slope> fallow land at the slope bottom.

在坡顶和坡中部土壤剖面脲酶活性波动较大，在坡底为阳坡>阴坡>撂荒地。

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