Therefore, NDVI is considered to be an effective ecologicalindicators of regional or global monitoring vegetation and environmental change.
因此NDVI被认为是监测地区或全球植被和生态环境变化的有效指标。
2
The paper points out that regional financial ecological environment quality should include objective, field, standard and indicators.
区域金融体系是金融体系的基础，建立区域金融生态环境质量需要系统的科学原则。
3
Questions such as basic guidelines, objectives of the system, key technical problems that should be solved, division of ecological regions and monitoring indicators etc.