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- unit of soil classification 土壤分类单位
- 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。
- 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。
- 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。
- The family is the basic unit of society. 家庭是社会的基本单位。
- There are some clods of soil on the mat. 垫子上有些土块。
- A metric unit of area equal to 10 ares. 十公亩面积的公制单位之一，等于十公亩。
- A metric unit of mass equal to 100 grams. 百克公制质量单位，等于100克。
- This kind of soil contains much alkali. 这种土壤含碱丰富。
- A unit of power equal to 1,000 watts. 千瓦功率的单位，等于1,000瓦。
- Higher categories of soil classification 土壤高级分类
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- Genetic system of soil classification 土壤化育分类法
- A unit of currency in Chile, Panama, and Uruguay. 分智利、巴拿马和乌拉圭的货币单位
- A unit of currency in North Korea and South Korea. 朝鲜和韩国的一种货币单位
- pedologic system of soil classification 土壤学的土分类法
- The monetary unit of Great Britain is the pound. 英国的货币单位是镑。
- It's rich there because of the fertility of soil. 因为土地肥沃，那儿很富裕。
- basic of soil classification category 土壤基层分类
