第四部分文章总结了对外交涉的基本特点，主要从对外交涉体制、内容、民众因素、与沿海的关系等方面进行研究。

Part Four: This part summarizes some basic characteristics which includes mainly these aspects: the system, the negotiation events, the public factor, the relationship with the coast.

youdao

第四部分文章总结了对外交涉的基本特点，主要从对外交涉体制、内容、民众因素、与沿海的关系等方面进行研究。

Part Four: This part summarizes some basic characteristics which includes mainly these aspects: the system, the negotiation events, the public factor, the relationship with the coast.

youdao