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
- 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 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 - 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。 - 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。 - 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 - 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 - Aimed at the structure characteristic of Jilin melioration flesh cattle, mainly described the key technique of Jilin melioration flesh cattle garment leather.
针对吉林改良优质肉牛皮的组织结构特点,阐述了肉牛皮服装革工艺的技术关键。 - 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。 - 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。 - 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。