求翻译：唐朝实行比较开放的对外政策，中外经济文化交流频繁，唐朝与亚洲、欧洲、非洲等各国之间的交往出现了前所未有的盛况是什么意思？

Implementation of the Tang Dynasty more open foreign policy, foreign economic and cultural exchanges frequently, Tang and Asia, Europe, Africa and other contacts between the countries in an unprecedented grand occasion

A more open foreign policy during the Tang dynasty, Chinese and foreign economic and cultural exchange between the Tang dynasty, with Asia, Europe, Africa, and the exchanges between countries has seen an unprecedented2004

The Tang Dynasty implements the quite open foreign policy, the Chinese and foreign economical cultural exchange is frequent, various countries' and so on the between the Tang Dynasty and Asia, Europe, Africa contacts appeared the unprecedented grand occasion

Tang pursued a more open foreign policy, economic and cultural exchange between China and foreign countries, Tang dynasty and exchanges between Asia, Europe, Africa and other countries there have been unprecedented grand occasion

Implementation of the Tang Dynasty more open foreign policy, foreign economic and cultural exchanges frequently, Tang and Asia, Europe, Africa and other contacts between the countries in an unprecedented grand occasion