要求如上,翻译重写!!课文如下:3.Cultural development went hand in hand with technological progress. New discoveries were made in astronomy, geography and medicine. In 724 Seng yixing measured the length of the sun's shadow and the altitude of the North Pole. Under Emperor Taizong (627-649) the government opened medical schools where specialist subjects were studied. The invention of printing about this time meant that knowledge could be recorded and shared as never before. But it was not just scientific knowledge that could now reach a wider audience. Printing also marked the beginning of the golden age of literature —and literature, in the Tang Dynasty, meant poetry.
4.In the beauty of its images and the range of topics, Tang poetry was better than everything that hadcome before it. But how did thishappen? There is no single answer to the question. An explosion of talent,and the appearance of new forms were both important. In the "New Style Verse", which appeared during the Tang period, each line has five or seven syllables, and there are lots of rules which govern the tones. But being able to write poetry was also an important qualification for people who wanted to become government officials. A good poet had a better chance of getting a good job. So lots of people became interested in poetry.