在我国3个经济最发达的区域,即环渤海湾、长三角、珠三角地区,同时形成了3个最发达的港口群。港口已成为区域经济不可或缺的组成部分。以至于人们习惯地将这3个经济圈称之为3个港口经济圈。但是,在这3个与地缘经济及方言区(分别为北方方言、吴方言、粤方言)相关的港口经济圈外,同时还存在一个与地缘经济及方言区(闽 In the three economically developed regions of our country, namely, the Bohai Rim, the Yangtze River Delta and the Pearl River Delta, at the same time, the three most developed port complexes have formed. The port has become an integral part of the regional economy. So that people are accustomed to these three economic circle called the three port economic circle. However, apart from the three port economic circles related to the geo-economic and dialectal areas (northern dialects, dialects of Wu dialects, and Cantonese dialects), there is also a relationship with the geo-economic and dialectal areas