A Study on the Historical Change of Forest\Grassland and Eco-catastrophes in North China;
中国北方地区森林、草原变迁和生态灾害的历史研究
The Research for Operation Model Changes of Grassland Animal Husbandry in Worrad Domded Huxu;
乌拉特中旗草原畜牧业的经营方式变迁研究
The Positive Study on the Institutional Changes of Inner Mongolia Grassland s Property Rights in the Pastoral Area;
内蒙古牧区草原土地产权制度变迁实证研究
Analysis of History of Vegetation Reclamation and Eco-enviromental Transition of Temperate Grassland in Northern China;
中国北方温带草原植被垦殖与生态环境变迁历史分析
The Existent State of Traditional Sports Culture on the Grassland--the Variance of Nadamu Activities;
传统体育文化在草原上的生存状态——那达慕大会的变迁
On the Migration on the Eurasian Grassland in the Early 11th Century;
论11世纪初期欧亚草原上的迁徙运动
Analysis on Temporal Variation of FPAR on Leymus Chinensis Meadow-steppes
羊草草甸草原FPAR时间变化规律分析
GRASS IN ANCIENT CHINESE POEMS;
草之吟——从草的意象看古代文人士子的心态变迁
Variation of the Spartina alterniflora Loisel along Coastal Wenzhou as Aided by TM Images;
1993-2003年间温州沿海互花米草变迁
Factor Price Variation,Technique Progress and the Change of Grassland Property
要素价格变化、技术进步与草地产权制度变迁
Feasibility and necessity of herdsmen s ecological migration in rangeland;
论实施草原生态移民搬迁的必要性与可行性
The Reform of China s Tobacco Monopolization Institution from the Perspective of Institution Change;
制度变迁视角下的我国烟草专卖制改革
A Research on Social Change of Inner Mongolian Pastoral Community after Implement of the Household Contract Responsibility System
论草牧场承包到户之后的内蒙古牧区社区变迁
Vicissitude and response of exploitation of Spartina alterniflora Loisel in tidal flat of Wenzhou coast
温州沿海互花米草变迁及其与滩涂开发响应
A Study on Watercourse Shifts of the Hutuo River on the Plain since the Ming Dynasty
明以降滹沱河平原段河道变迁研究
changes of Eastern Plain water system in Chinese history
中国历史时期东部平原的水系变迁
I believe that this is partly due to changing times.
我认为一部分原因是由于时代的变迁。
Principle of Crime and Penalty Defined by Law and the Evolvement of Criminal Law in Modern China;
罪刑法定原则与近代中国刑法之变迁