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

• Melioration Effect of Calcium Magnesium Phosphate and Calcareousness on Vegetable Garden Soil Polluted by Cu and Zn
  钙镁磷肥和石灰对受CuZn污染的菜园土壤的改良作用
• Last, the essay offer some advice on the reform and melioration of our judicial discretion system in civil action.
  最后，文章对改革与完善我国民事自由裁判制度提出几点建议。
• This paper offers melioration proposes for overturn machine in theory, at the same time, it established foundation for the sake of application and popularize of CAE in mechanical and electrical industry.
  本文的研究成果为该产品的整改提供理论依据，为CAE技术在我省机电行业的应用和推广奠定基础。
• It offered scientific gist and technique support for the tobacco production area soil ecosystem evaluation, melioration and tobacco leaf feature research. The results were showed as follows.
  最后，应用理论成果合作开发了具有显著效果的新型土壤改良剂。为烟区土壤生态评价、改良与烟叶特色研究提供科学依据和技术支持。
• Application of horizontal well has been developing towards the direction of running the operations at scale in oil regions. It takes important role in re-development of new and old oil field to improve developing melioration and the ultimate recovery rate.
  水平井应用已在我国各油区向整体规模化方向发展，在新油田开发和老油田二次开发，改善开发效果，提高最终采收率方面已经和正在发挥重要作用。
• The Flow Characteristics and Its Melioration of Swept Wing/ Body Interference
  后掠翼身干扰区流动特性及改善措施研究
• 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。
• 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。
• 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。