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- This uncertainty results in overlaps of different soil types in currently used CPTU soil classification systems. 根据已有的CPTU土分类系统划分土类时，这种不确定性经常会导致不同土类的重叠。
- New soil classification chart and undrained shear strength (cu) based on CPTU are developed in this paper. 提出了新的土分类图及不排水抗剪强度的估算公式；
- The soil classification is very important in geotechnical engineeringa;nd the flat dilatometer test(DMT) is a very useful in-situ test. 土类的划分在岩土工程中是非常重要的,而扁铲侧胀试验则是一种非常有效的原位测试方法。
- The successful design of Soil Classification Expert System(SCES) depends on the soil taxonomy that classifies soil types using quantitative data. 土壤系统分类以定量化指标划分土壤类型,为土壤自动分类系统的建立提供了可能。
- The structures of soil classification decision trees and reasoning machine were also discussed to construct the framework of SCES. 并从土壤系统分类专家的知识表示和推理机的构建两个方面,提出了土壤分类专家系统(SCES)的体系结构。
- This practice has particular value in grouping similar soil samples so that only a minimum number of laboratory tests need be run for positive soil classification. 这个标准在分类相似的土样时有详细的值,所以只需要进行最小数目的试验室试验来确定土分类即可。
- The Soil Taxonomy offers a theoretic basis for establishment of a soil classification expert system (SCES), which divides soil types according to quantitative soil indexes. 摘要土壤系统分类以定量化指标划分土壤类型，为土壤自动分类系统的建立提供了依据；
- Onthe basis of above analysis, the formation, development and evolution direction of the soil on mobile sand dunes and its position and naming in soil classification are approached. 在此基础上,对流动砂丘上土壤的形成发育演变方向以及在土壤分类中的地位和命名等问题进行了探讨。
- In order to make CST more practical and easier to popularize, it is essential and urgent to keep on studying and developing CST at lower unit level to establish basic soil classification units of CST. 发生分类到系统分类的参比关系复杂，参比难度大，原因在于它们的分类体系和划分标准是完全不同的。
- Since 1980s, the Soil Taxonomy based on by diagnostic horizons and characteristics of soils was introduced into Chinese soil classification. 这一分类的特点是根据土壤诊断层和诊断特性划分土壤类型。
- Higher categories of soil classification 土壤高级分类
- Genetic system of soil classification 土壤化育分类法
- unified soil classification system 统一土分类法
- Some plants push their roots deep into the soil. 一些植物的根深深长入土中。
- pedologic system of soil classification 土壤学的土分类法
- basic of soil classification category 土壤基层分类
- Such crops won't grow in limy soil. 这类作物不能在石灰质的土壤中生长。
- triangular soil classification chart 三角土壤分类图
- What shall we grow in this alkaline soil? 我们应该在碱性土壤里种什么？
- There are a lot of worms in the soil. 泥土中有许多蠕虫。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
