第二章：旅游产业区域效应研究的基础理论。
Chapter II: the basic theories of tourism industry regional effect research.
并对产业价值链集群效应和链式效应做了阐述。
Industrial value chain's cluster effect and chain effect are also mentioned.
近年来技术溢出效应的研究已成为高技术产业研究的一个热点课题。
In recent years, technology spillover effect of high-tech industry has become a hot research topic.
园区历史建筑极具风格，有利于形成产业规模集聚效应。
With ancient architectural styles, the park is certain to bring out industry scale effects.
优势农产品产业带是一把“双刃剑”，既具有正面经济效应，又具有负面经济效应。
Being a double edged sword, advantageous agricultural belts have both positive and negative economic effect.
优势农产品产业带是一把“双刃剑”，既具有正面经济效应，又具有负面经济效应。
Being a double edged sword, advantageous agricultural belts have both positive and negative economic effect.
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