| 1. | The chemical beds are provided in duplicate . 化学垫是成对设置的。 |
| 2. | We mailed the letter but kept a duplicate . 我们寄出了信,但留有副本。 |
| 3. | These results duplicate those of others . 这些结果都是重复别人得的结果。 |
| 4. | Each step can be duplicated in laboratory . 每一步都可在实验室中进行验证。 |
| 5. | It applies to duplicate recessive genes . 它适用于双隐性基因。 |
| 6. | He duplicated his father 's failure . 他重蹈父亲的覆辙。 |
| 7. | This agreement is done in duplicate . 本协议书一式两份。 |
| 8. | Type the letter in duplicate . 请把这封信打成一式两份。 |
| 9. | He has the duplicate tickets . 他手上还有一联账单呐。 |
| 10. | The gross pattern of dikes can be duplicated theoretically . 岩脉总体型式可以作理论模拟。 |