为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

西部民族地区跨域生态环境问题往往出现在不同的行政区划中,既表现出生态环境问题的共性,也表现出西部民族地区跨域生态环境问题的......

跨界区域旅游资源具有分散性和行政区划制约性的特点,在资源规划与开发过程中,运用产业化的方式进行资源整合,集中优势力量,形成跨......

基于跨省合作的专利数据,利用社会网络分析的软件pajek绘制了京津冀、长三角和珠三角的跨区域技术创新合作网络图,计算了三个区域......

This paper explores medical rescue model of trans-regional emergency response which shall be suited to administrative bo......

The framework of the assistant decision support system of cross-regional rural labor flow is established,the system comb......

Cross-Regional city construction is not only the inevitable trend of urbanization development in China.It is also an imp......

With the large-scale development of Chinese electric power, the contradiction of China’s energy supply and demand that ......

With the continuous progress of agricultural technology, agricultural mechanization presents a good development trend af......