melioration

英 [英]

美 [美]

n.  土壤改良

　 　 　 　

双语例句

• 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。
• People have changed their minds from the introspection appeal and the passive prevention to the melioration of city ecological environment and the urban ecology spatial structure, to be coordinated positively the urban development the stage.
  人们对于城市生态危机已经从反省呼吁、被动防治发展到了积极改善城市生态环境、改良城市生态空间结构、协调城市发展的阶段。
• 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。
• This paper discusses disservice caused by Yellow river flood, development of economy and ecology environment melioration by using water resources of Yellow river, and the importance of Yellow river water resources and water environment for Shandong Province.
  本文阐述了黄河下游洪水给沿黄带来的危害、综合利用黄河水资源给山东带来的经济发展和生态环境改善，以及黄河水资源及水环境对山东经济发展的重要性。
• 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。
• 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。
• Overload and Melioration in Expressway Asphalt Pavement Design
  超载与高速公路沥青路面设计的改进
• 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
• 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。
• 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