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

• 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。
• Research on Soil Acidification and Acidic Soil's Melioration
  土壤酸化和酸性土壤改良研究
• 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。
• 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。
• 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。
• 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
• Building a metabolic reaction database of high quality for a microorganism is the basis of both quantitative analysis of metabolic network and melioration of bacteria species with metabolic engineering technologies as well as embodiment of systems biology wholly analyzing microorganism from microscopical point of view.
  建立高质量的微生物代谢反应数据库是进行代谢网络定量分析和运用代谢工程技术改良菌种的基础，更是从宏观角度整体分析微生物的系统生物学的体现。
• 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
• With the method of representative investigation and site-specific observation, the effects of different vegetations on water and soil conservation in Mengshan Mountain were investigated on three aspects: soil melioration, entironment improvement and water and soil conservation.
  摘要采用典型调查和定位观测的方法，分别从改良土壤、改善环境和保特水土3方面，对蒙山不同植被下水土保持效果进行了调查。
• 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