melioration
英
美
n. 土壤改良
英英释义
noun
- the act of relieving ills and changing for the better
- 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
- the new school represents a great improvement
双语例句
- 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。 - Overload and Melioration in Expressway Asphalt Pavement Design
超载与高速公路沥青路面设计的改进 - 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 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 - 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。 - 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。 - 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。 - 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。 - Research on Soil Acidification and Acidic Soil's Melioration
土壤酸化和酸性土壤改良研究 - 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。