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Estimation of remote sensing based ecological index along the Grand Canal based on PCA-AHP-TOPSIS methodology 期刊论文
ECOLOGICAL INDICATORS, 2021, 卷号: 122, 页码: 13
Authors:  Li, Ying;  Wu, Liyun;  Han, Quan;  Wang, Xin;  Zou, Tongqian;  Fan, Cheng
Favorite  |  View/Download:6/0  |  Submit date:2021/04/25
RSEI  PCA  AHP  TOPSIS  The Grand Canal  
金融危机对北京旅游业的影响分析 中文期刊论文
2016
Authors:  唐承财;  郭华;  袁海红;  邹统钎
View  |  Adobe PDF(706Kb)  |  Favorite  |  View/Download:27/9  |  Submit date:2017/11/07
金融危机  旅游本底趋势  旅游经济  入境旅游  北京旅游业