| 1. | This manuscript dates back to the 8th century . 这份手稿可追溯到8世纪。 |
| 2. | The use of wax to inhibit ozone deterioration probably goes back to 1881 . 使用蜡来抑制臭氧劣化可追溯到1881年。 |
| 3. | The use of magnets as aids to navigation can be traced back at least to the eleventh century . 磁铁用于航海,至少可追溯到11世纪。 |
| 4. | The first record of a sustained inquiry into the problem dates from the fifth century b.c . 对这个问题持续研究的最早的记录可追溯到公元前五世纪。 |
| 5. | This modern general meaning dates back to 1878 in the unites states according to mathews . 这个现今广为使用的含义,按马修斯说法在美国可追溯到1878年。 |
| 6. | The first demonstration of the formation of adventive embryos from carrot tissue explants can be traced to the work of reinert . 由胡罗卜组织外植体来的可定胚形成的最初证实可追溯到Reinert的工作。 |
| 7. | The civil law system can be traced back to roman law 大陆法系可追溯到罗马法。 |
| 8. | His family traces back to the norman conquest 他的家世可追溯到诺曼人征服英国的时代。 |
| 9. | This kind of music dates from the 18th century 这种音乐可追溯到18世纪。 |
| 10. | His family traces back to the norman conquest 他的家世可追溯到诺曼人征服英国的时代。 |