【翻译原文】

唐朝定都长安（今天的西安），长安是当时世界上人口最多的城市。我们通常认为唐朝是中国文化的鼎盛时期，其文化程度相当于，甚至超过汉朝……全世界文化发展的黄金时代。唐朝初期，其统治者通过战争获得的领土可与汉朝通过战事所获得的疆域相媲美。在7世纪和8世纪的两次人口普查中，按照登记的家庭来看，唐朝时期的人口约为5千万。

【精彩译文】

Tang capital in Chang'an（today’s Xi’an），Chang'an was the world’s most populous cities.We usually think of the Tang Dynasty was the heyday of Chinese culture，the educational level equivalent to，or even exceed the Han…golden age of the world cultural development.Early Tang Dynasty，the territory of its rulers obtained through war territory war with the Han obtained by comparable.In the 7th century and the 8th century two censuses，in accordance with the registered domestic perspective，the population of about50 million during the Tang Dynasty.