请帮忙翻译一下英语句子
Chinese has experienced two generations of technology-assisted Distance Learning.The frist is broadcast/TV-based Distance Learning,which has led to China having the largest education network in the word.China's second distance learning generation,based on Internet technologies,began in mid 1990s.In1997,Hunan University became China's first on-line university to pioneer distance learning deveopment in China.