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

• Research on Soil Acidification and Acidic Soil's Melioration
  土壤酸化和酸性土壤改良研究
• 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。
• 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。
• 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。
• 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。
• 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 discussion of environmental protection and melioration by park plant
  园林植物保护环境及其改善环境作用的探讨
• 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
• 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
• 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