Clustering analysis is a new, reasonable and effective method in soil study.
聚类分析方法是土壤研究中的一种合理有效的新方法。
It is precise for unsaturated soil study to use suction as parameter, however, that brings much difficulty.
考虑吸力的非饱和土研究较为精确，但吸力量测起来比较困难。
In recent years, the agricultural soil study of the Loess Plateau is mainly focused on long-term fertilization effects on soil moisture, soil fertility, and crop yield.
近年来人们对黄土高原地区农业土壤的研究主要集中在长期施肥对土壤中含水量、土壤肥力、农作物产量等的影响。
Scientists study the composition of the soil.
科学家研究土壤的构成。
In a study published in the journal Ambio, scientists found that lead levels in soil in the North-eastern United States had decreased markedly since the introduction of unleaded gasoline.
在《人类环境杂志》上发表的一项研究称，科学家们发现，自引进无铅汽油以来，美国东北部土壤中的铅含量已经显著下降。
We study the soil microflora in the wheatland.
我们进行小麦地土壤微生物区系研究。
Another recent study found that a single tillage does not harm yield or soil structure in land that is normally not tilled.
另一项最新研究发现，单独一次耕作不会对通常不耕作的土地产量或土壤结构造成破坏。
Zhang Fusuo dismisses these concerns, saying his study uses "large-scale sites from each province and each soil system."
张福锁对这些论点进行了驳斥。他表示，他的研究采用(的样本)“来自每个省和每个土壤系统的范围广泛的不同地点。”
About 24% of 11.5 billion hectares of vegetated land has already undergone human-induced soil degradation, in particular through erosion, the study says.
报告指出，全球115亿公顷植被生长区中，约有24%已然经历了由人类活动引发的土壤退化，尤其因土壤流失造成退化。
Professor Cox says the first step to designing an earthquake-resistant building is to study the soil.
考克斯教授称，设计抗震建筑要做的第一步是先研究土壤。
Earp-Thomas with the help of a Rockefeller Foundation grant and a team of researchers was able to study soil microbes all over the world.
厄普·托马斯在洛克·菲勒基金会经费的帮助下和一队研究人员得以研究了当时世界各地的土壤微生物。
An understanding of the nature of these characteristics is an essential prerequisite to the study of soil profiles, soil types, soil productivity, and soil management.
了解这些特性是对土壤剖面、土壤类型、土壤生产力和土壤管理进行研究的一个必要的先决条件。
Researchers from the African Soil Information Service will study earth samples and rate them.
非洲土壤信息部门的研究者将研究并评估泥土样本。
A drop in pH on the level identified in the study could have some very harmful effects. Acidic soil is paradise for nematodes, parasitic roundworms that destroy crops.
在这项研究中表明PH值的下降可以导致很多非常严重的后果，酸化土壤是那些毁坏作物的线虫和寄生蛔虫的天堂。
To the citizen culture and public art association study will help us find public art survival soil.
对市民文化与公共艺术的关联研究有助于我们找到公共艺术生存的土壤。
Later in the year, two other Earth Explorer missions will launch to study soil moisture and ocean salinity, and ice sheet thickness, respectively.
今年晚些时候，另外两个地球探测项目也将启动，它们分别研究土壤湿度和海水盐度，以及冰盖厚度。
Field experiments was used to study the change of soil N2O discharge flux in the northwestern arid and semi-arid areas.
田间试验研究了西北干旱半干旱地区地膜覆盖对土壤中n 2o排放通量变化的影响。
The conclusion of this text is: through the study on soil nature and BP neural network , a holing parameter predicts models after setting up.
其结论为：通过对岩土性质及BP神经网络的研究，建立了一种新的钻孔间参数预测模型。
Therefore, it is necessary to carry on theoretical study on soil nailing support system.
因此，我们很有必要在理论上对土钉支护体系进行深入细化的研究。
This paper is a new subject of the study on cohesive soil porosity by microscopic quantitative analysis.
本文是对粘性土孔隙进行微观定量研究的新课题。
Taking the expensive soil in Nanyang Area, Henan Province, as study case, the in-situ shear test method, including preparing samples and test method, is proposed in the paper.
结合南阳地区膨胀土的抗剪强度研究，对其现场剪切试验的试样制备及试验方法进行探讨，提出了膨胀土抗剪强度的修改计算公式。
Land use change is a core field of the global environmental change study. Soil erosion is accelerated by irrational land use.
土地利用变化是全球环境变化研究的核心领域，不合理的土地利用加速了土壤侵蚀。
我们为什么要学习土壤学？
So soil water should be analyzed as well as lime soil in the study on lime profile.
所以，对石灰土-土壤剖面化学组成的研究应同时将土壤和土壤水加以考虑。
So soil water should be analyzed as well as lime soil in the study on lime profile.
所以，对石灰土-土壤剖面化学组成的研究应同时将土壤和土壤水加以考虑。
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