| 1. | This manuscript dates back to the 8th century .
这份手稿可追溯到8世纪。 |
| 2. | The story goes back many years now .
这故事可追溯好多年以前。 |
| 3. | The modern clinical use of curare probably dates from 1932 .
箭毒的现代临床应用可追溯至1932年。 |
| 4. | 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。 |
| 5. | 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。 |
| 6. | 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。 |
| 7. | 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。 |
| 8. | 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。 |
| 9. | Natural gas . guidelines to traceability in analysis
天然气.分析的可追溯性导则 |
| 10. | In all cases traceability must be maintained
在所有情况下都必须保持可追溯性。 |
