求翻译：我国对外汉语教学，从1950年7月在清华大学成立第一个对外汉语教学机构“东欧交换生中国专修班”算起，至今已50多个年头。这50年来的发展历程，以1978年为界，可以划分为前后两个时期。是什么意思？

China's foreign language teaching, from Tsinghua University in July 1950 established the first foreign language teaching institutions, "China Eastern European exchange students Course" date, has been more than 50 years. This 50-year development process, in 1978 as a community, can be divided into tw

正在翻译，请等待...

Our country teaching Chinese as a foreign language, had been established the first teaching Chinese as a foreign language organization from July, 1950 in Qinghua University “Eastern Europe to exchange lives China to specialize in the class” to calculate, until now already more than 50 years.These fo

Foreign language teaching in China, from July 1950 at Tsinghua University established the first teaching Chinese as a foreign body "China Eastern European exchange students course" starting has been over more than 50 years. This 50-year history, is bounded by 1978, before and after can be divided in

China's foreign language teaching, from Tsinghua University in July 1950 established the first foreign language teaching institutions, "China Eastern European exchange students Course" date, has been more than 50 years. This 50-year development process, in 1978 as a community, can be divided into tw