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

• This method overcomes the disadvantages in general mathematical statistics analysis, and provides basis for asphalt design, evaluation, control and its high temperature stability performance melioration.
  这种方法克服了一般数理统计分析中的不足，为沥青混合料的设计、评价、控制、和高温性能的改善提供了依据。
• 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。
• It was concluded that this HACCP system and disinfect measures were effective for the melioration of the microbial status.
  结果表明，该消毒措施和HACCP体系的实施有助于改善主要生产车间、主要工序点的微生物状况，有助于最终产品品质的改善。
• The Northern Policy of South Korea was carried out in a situation of the relaxing of situation in the world and the melioration of the relations of the East and the West.
  韩国的北方外交政策是韩国政府在世界局势逐渐缓和，东西方关系开始改善的情况下实施的。
• 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。
• 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。
• 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。
• 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。
• Result Clinical symptom and sign: After the treatment, melioration of clinical symptom and sign in both groups have significant difference.
  结果：临床症状及体征：治疗后两组患者临床症状及体征改善较治疗前均有显著性差异。