中文摘要：

旅游“双核”结构是区域旅游发展的一种空间结构形态，“双核”的有效合作可充分发挥龙头带动作用，促进区域旅游发展。在测定广西各市旅游业绩与关键生产要素的基础上，发现南宁、桂林在广西旅游业发展中处于核心地位。通过分析南宁、桂林与广西其他城市的旅游经济关联度、旅游产出溢出与接收溢出，发现南宁、桂林的辐射效应未得到充分发挥。根据研究结论，提出构建广西旅游发展的“双核”结构，构建以南宁、桂林为核心的旅游圈，打造各自的特色旅游产品，并以柳州、来宾为节点，打通两大旅游圈，促进广西整个区域旅游的联动发展。

英文摘要：

＂Dual - nuclei＂ structure was a kind of spatial structure in regional tourism development, the core city was the locomotive of regional tourism development, and the ＂Dual- core＂ cities＇ effective cooperation would promote the development of regional tourism. Based on the determin- ation of tourism performance and the key factors of production of Guangxi, the authors found that Nanning and Guilin was the core city in tourism development of Guangxi, the level of tourism development of Nanning and Guilin was much higher than the other cities of Guangxi. Then this paper an- alyzed the other cities＇ tourism economic relationships intensity with Nanning and Guilin, and also analyzed the tourism spillover between the cities of Guangxi, but it was found that the other cities were not enjoying much spillover effects from the Nanning and Guilin. Therefore, it was necessary to build the ＂Dual - nuclei＂ structure in the tourism development of Guangxi, establishing Nanning and Guilin tourism circle, developing the special tour products, getting through the two tourism circle, and achieving effective cooperation as soon as possible, in order to promote the tourism development of the whole Guangxi.