urban ecological level 城市生态化水平
lake ecological water level 湖泊生态水位
Primary content and innovation include:1. The analysis of form, link and linked ecological level of eco-industrial chain.
本文的主要研究内容和创新在于:1.对生态产业链的形成动因、链接及链接的生态水平进行了分析。
参考来源 - 生态工业园中生态产业链网分析及其稳定性评价研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The influence of environmental factors and studying community phylogeny at the metacommunity level helps to understand regional ecological processes.
环境因素的影响以及在元社区水平上研究群落系统发育有助于理解区域生态进程。
This generates an important effect on lightening wind and sand harm, improving ecological environment and raising agricultural production level.
这对减轻该区的风沙危害，改善生态环境和提高农业生产水平，都起了重要的作用。
These techniques will influence speed querying data. variables and models of spatial analyst for forest ecological system selecting. model level conversion and efficiency of spatial analyst.
这些方法将影响数据查询速度、森林生态系统空间分析变量和模型的选择、模型尺度转换及空间分析效率。
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