国家历史文化名城是国家对一个城市历史的肯定,是值得骄傲的一张旅游名片.江苏省的国家历史文化名城存在着旅游发展程度南北差距大,且对“国家历史文化名城”这一资源不够重视等问题.笔者根据科学系统理论、增长极理论和帕累托改进理论提出对江苏省历史文化名城进行整合性旅游开发的策略,并选取南京、南通和淮安作为试行点.以期能够将苏南地区的客流引向苏中、苏北,促进其发展,进而促进整个江苏省旅游与经济的新发展.

Based on the summary of the researching fruits of Xu Xiake s travel to Linwu Cave by the academic circle of studying Xu Xiake,the authors advanced that Xu Xiake was not able to travel Linwu Cave when he first traveled Taihu Lake in the year of 1607 through analyses of hydrological and climate conditions then and there,and Xu Xiake s travel to Linwu Cave was concluded by the Xu researchers.

Yixing was one of the concentrated developed areas of karst caves in China,there were altogether eighty-three caves located in a land range of eighty kilometers.Some famous caves developed in the past years attracted many tourists every year,one of them belonged to world class geological relic resource,five national-level,and two other national-level geological relics.They occupied important values of scientific research,science popularization and aesthetics and were provided with the conditions of constructing national geopark.