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
- Research on Soil Acidification and Acidic Soil's Melioration
土壤酸化和酸性土壤改良研究 - Building a metabolic reaction database of high quality for a microorganism is the basis of both quantitative analysis of metabolic network and melioration of bacteria species with metabolic engineering technologies as well as embodiment of systems biology wholly analyzing microorganism from microscopical point of view.
建立高质量的微生物代谢反应数据库是进行代谢网络定量分析和运用代谢工程技术改良菌种的基础，更是从宏观角度整体分析微生物的系统生物学的体现。 - Overload and Melioration in Expressway Asphalt Pavement Design
超载与高速公路沥青路面设计的改进 - 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 - 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。 - 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 - 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 - 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。 - 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。 - 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。