1·Qingdao and Yantai specifically, due to their privileged positions, became treaty ports ruled by western colonizers in the later period of the 19th century.
其中烟台和青岛因其独特的区位优势，而在19世纪后期被西方殖民者辟为通商口岸。
2·Treaty ports of different levels varied greatly in functions due to their outer shipping lines, and caused 3 kinds of harbor potential gap to come into being.
不同层次的口岸因对外航线结构不同而在功能上存在较大差异，进而形成了三个等级的港势地位。
3·The new treaty is directed at countries for fishing ships enter ports.
这个新条约直接针对于渔船进港的国家。
4·The non treaty port is one of the important types of trading ports in modern China.
自开商埠是近代中国重要的通商口岸类型。