限制通商口岸、实行洋行制度、限制外国商人行动、限制出口物种与数量。

It includes restrictions on trading port, practicing on foreign firm system, restricting the business of foreign trades, limiting the quantity and sorts of export goods.

重庆是中国西南地区和长江中上游的经济中心，水、陆、空交通枢纽和外贸通商口岸。

Chongqing is the central city, traffic hinge and foreign trade port along Yangtze River and in the southwest part of China.

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。

Qingdao and Yantai specifically, due to their privileged positions, became treaty ports ruled by western colonizers in the later period of the 19th century.

汉口近现代西式建筑的兴起，与汉口成为通商口岸、汉口外国租界的开辟有着直接的关联。

The rise of Hankou's modern western architecture has a direct correlation with the fact that Hankou was once a trading port as well as a foreign concession.

镇江由于地处长江和大运河的交汇处，水运交通便利，因而在1856年签订的中英《天津条约》中被列为长江第一批通商口岸。

Zhenjiang, located at the intersection of the Yangtze River and the Grand Canal, is a city with convenient water transportation.