中国历史跨入20世纪90年代以来,中华大地上呈现出了沿海、沿江、沿边、沿主要交通要道和内陆中心城市的全方位对外开放态势,并构成了保税区、经济特区、经济技术开发区,高技术产业开发区、国家旅游度假区、沿海开放城市、沿江开放城市、沿边开放城镇和沿海经济开放区等不同开放层次。 Since China’s history entered the 1990s, China’s all-round opening to the outside world has emerged along the coast, along the river, along the border, along major traffic arteries, and inland cities, and has formed bonded zones, special economic zones, and economic and technological development. Districts, high-tech industrial development zones, national tourism resorts, open coastal cities, open cities along the river, open-edge towns, and coastal economic open areas and other open levels.