- structural index
- structure index
- texture index
下载手机词典可随时随地查词查翻译
结构指数的英文
例句与用法
- The objective of this research is to test the rcc from ] st to 6th order streams of changjiang river watershed in southern mountain area of anhui province , to explore the function and structure of macroinvertebrate community succession rule of the river . the changjiang river water quality asse ssment is carry on by comparison of the community characters of the point - pollution or non - point pollution sites to the hypothesized rcc , the macroinvertebrate community structure indices and bi index were used in the assessment
本文对阊江河底栖动物群落结构和功能进行了系统研究，运用河流连续性理论对该河一至六级支流各取食功能团比例的演替规律及毛翅目成虫的群落结构进行了比较分析，并通过计算底栖动物群落结构指数和bi指数，对该河进行了水质评价。 - Through the analysis on the discrepancy between the indexes of land use and landscape structure of both the periods , the change of the eco - environment caused by the causations of both the nature and the human activities is pointed out that the total area of the studying region is somewhat reduced ; the alkali - saline land therein is utilized for fishery breeding ; a part of the unused land and water area are basified ; the sorts of landscape are rich and uniform and serious fragmentations are locally occurred
通过分析两期土地利用及景观结构指数之间的差异性，指出由自然和人为原因引起的生态环境的变化：研究区总面积有所减少，盐碱地改良后用于了鱼虾养殖，部分未利用地和水域盐碱化，区域景观类型丰富且均匀，局部破碎严重。 - Secondly , on the basis of general discrimination of carbonate reservoir type , adopts fractal and fractal - dimension technique to bring forward the fractal characteristics of logging curves ( df ) , new arithmetic of porosity index ( m ) and their connection to reservoir type , thus discriminates the carbonate reservoir type effectively
其次，在碳酸盐岩储层类型常规识别的基础上，采用分形分维技术，提出了测井曲线分数维( df ) 、孔隙结构指数( m )的新算法及其与储层类型之间的关系，有效地进行了碳酸盐岩储层类型的定量识别。