1.
Research on the Development Trend of Catering Industry in Scenic Spots-A Case Study of 4A-Class Scenic Spots in Beijing;
景区餐饮业的发展趋势研究——以北京4A景区为例
2.
Present Situation Analysis and Evaluation Research on Food and Beverage Industry in 4A Tourist Attraction in Beijing;
北京4A景区餐饮业的现状分析和评价研究
3.
Problems in Tourist Economy in Minority Nationality Regions and Countermeasures--Taking the National Key Scenic Spot and the 4A Spot as the Angle of View;
民族县域旅游经济发展存在的问题及对策——以国家重点风景名胜区、4A景区为视角
4.
Cultural Tourism Resources Evaluation of AAAA Scenic Areas in Shanxi Province;
山西4A级旅游景区文化旅游资源评价
5.
Dalian Forest Zoo is national4 A scenic spot.
大连森林动物园是国家4A级风景名胜区。
6.
A Study of the Regional Difference and the Way for the Development of Tourism Standardization of 4A Grade Tourist Attractions in China;
中国4A级旅游景区（点）的区域差异及其标准化建设路径研究
7.
A correlating analysis on high grades tourism area:Take 4A grade tourism area (spots) for example;
高级别旅游景区的关联性分析——以中国4A级旅游区 (点 )为例
8.
An Analysis on Corresponding Relation between National 4A Grade Tourist Attractions and Tourist Itinerary in China --A Case Study on the Region of East China;
中国4A级旅游景区(点)与旅游线路的对应关系分析——以华东地区为例
9.
The Applied Situation and Foreground of 4A Zeolite Used as Cleaning Aid Agent;
4A沸石作助洗剂的应用现状及前景
10.
A STUDY ON THE 4A TOURISM AREA (SPOTS) IN CHINA: SPATIAL CHARACTERS AND INDUSTRIAL DISTRIBUTION;
中国4A级旅游区(点):空间特征与产业配置研究
11.
Preparation of 4A zeolite molecular sieve from Xuzhou coal-measure kaolin
徐州地区煤系高岭土合成4A沸石分子筛
12.
A STUDY ON SPATIAL STRUCTURE OF NATIONAL 4A GRADE TOURISM ATTRACTIONS IN CHINA;
旅游吸引物空间结构分析——以中国首批国家4A级旅游区(点)为例
13.
The Grape Valley is a national 4A class tourism zone where environmental and ecological problems rise sharply because of the rapid tourism development.
葡萄沟是中国国家4A级旅游区，由于旅游业的开展而引发的环境、生态问题日趋突出。
14.
The Correlation of the HSL Gene Exon 4 Polymorphism and T2DM in Zun Yi District
hsl外显子4-4A/G多态性与遵义地区汉族人群2型糖尿病的相关性研究
15.
The Landscape Research of Da’an Temple;
大安寺景区古景点调查与新景点开发
16.
Residue Right Allocation of a Scenic Spot and Resource Protection;
景区剩余索取权配置与景区资源保护
17.
Conflict of Interest and Accommodation in Scenic Attractions:Taking the Scenic Spot N for Example
景区利益冲突与调适:以N风景区为例
18.
The scenic area is made up of lakes, rolling fields and hillsides.
景苑区分为湖区、平原区、山区三部分。