| 1. | This manuscript dates back to the 8th century . 这份手稿可追溯到8世纪。 |
| 2. | On her father's side they date back further than adam . 她父亲那一方始于亚当之前。 |
| 3. | The hindu civilization dates back to at least 2000 b.c. 印度文明可远溯到公元前2000年。 |
| 4. | Harnessing the wind to generate electricity dates back to 1890 . 利用风来发电可以追溯到1890年。 |
| 5. | The progenitor of this class of problems may date back to pre-greek times . 这类问题的先驱可以追溯到希腊以前的时间。 |
| 6. | The huygens ocular, which dates back over 250 years is still in wide use today . 二百五十多年前的惠更斯目镜今天还在广泛使用。 |
| 7. | The study of plant resistance to insects dates back to earliest days of applied entomology . 早在应用昆虫学发展的初期,就已开始植物抗虫性的研究。 |
| 8. | 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。 |
| 9. | In japan, the first description of rice dwarf transmission dates back to the end of the nineteenth century . 在日本,第一次描述水稻矮缩病传播的日子要追逆到19世纪。 |
| 10. | The names of the various lunar formations and lunar landscapes mostly date back to the early history of visual lunar observation . 各种月面结构物和地形的名称,大都起源于月球目测观测史的早期。 |