melioration

英

美

n.  土壤改良

英英释义

noun

• the act of relieving ills and changing for the better
  Synonym:ameliorationbetterment
• the linguistic process in which over a period of time a word grows more positive in connotation or more elevated in meaning
• a condition superior to an earlier condition
  1. the new school represents a great improvement
  Synonym:improvement

双语例句

• The adulteration and melioration experiment of the materials prepared by acid-treating method were studied, the results proved that the material treated had an excellent steady property, but less reversible capacity.
  本论文对由酸处理法合成的LixMnO2材料进行了掺杂改性实验，结果表明，改性后的材料虽然循环性能有显著改善，但比容量会有所减少。
• So the important groups of soil animals are more action on matter decomposition than on melioration of soil structure.
  复合系统中主要士壤动物对土壤表层和上体内部的物质分解和九素归还起主要作川，对土壤结构的改善作用较弱。
• Problems and Melioration of Inner Ring Road Guide Sign System of Guangzhou
  广州市内环路指路标志系统存在问题及改善
• RNA interference, as an important gene silencing methods, it has a significantapplication to the research of gene function and genetic melioration.
  RNA干涉是一种重要的基因沉默方式，它在基因功能和遗传改良研究中有重要的应用。
• Structure vibration control is of great importance for the melioration of spacecraft dynamic property.
  结构系统的振动控制是改善航天器动态特性的重要途径。
• Melioration of Urban Color
  城市色彩的改善
• Research on Logistics System Melioration Plan of Wuhan Tianyu
  天喻信息公司物流系统改善方案研究
• Melioration of technology was a measure taken by the Nanjing Republic government to develop its agricultural industry.
  科技改良是南京国民政府发展农业的一项举措。
• Research on Soil Acidification and Acidic Soil's Melioration
  土壤酸化和酸性土壤改良研究
• The shortage of water resources and soil salinity are important limiting factors for agricultural production and environmental melioration in Xinjiang.
  新疆水资源缺乏和土壤盐渍化已成为新疆农业生产发展和生态环境改善的主要障碍因子。