开放门户建设对城市发展而言意义非凡,其不仅反映了一个城市的自然禀赋、功能水平,也决定着一个城市的战略地位和资源汲取能力。从世界城市的发展态势来看,积极争取、着力建设成为开放门户,既是沿海港口城市的普遍做法 The construction of an open portal is of great significance to urban development. It not only reflects the natural endowment and function level of a city, but also determines its strategic position and resource abilities. From the perspective of the development of the world’s cities, actively strive to build into an open door, both coastal port city is a common practice