大区域中心城市是指具有跨区域作用和意义的中心城市。
A large regional key city refers to a key city which possesses transregional functions and significance.
在旅游区域中，旅游中心城市作为节点，构建多样化的旅游线路，形成区域化的旅游网络，从而实现板块化的旅游。
In the tourism region, As the node, the tourist center city constructs diversified tour routes, forms the regional tourism network, thus realizes the plate travel.
在旅游区域中，旅游中心城市作为节点，构建多样化的旅游线路，形成区域化的旅游网络，从而实现板块化的旅游。
In the tourism region, As the node, the tourist center city constructs diversified tour routes, forms the regional tourism network, thus realizes the plate travel.
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