| 1. | There is a reasonable expectation of success . 成功有一定的希望。 |
| 2. | The heat period appears at regular intervals . 其发情期有一定的间隔时间。 |
| 3. | There are fixed times for study and for work . 学习、工作都有一定的时间。 |
| 4. | The relevant expenditure will be incurred . 要付出一定的费用。 |
| 5. | Security program was based on calculated risk . 保安工作准备冒一定的风险。 |
| 6. | Every sort of spring has a definite elasticity . 每一种弹簧都有一定的弹性。 |
| 7. | The security program was based on calculated risk . 保安工作准备冒一定的风险。 |
| 8. | In due course there followed the pacific . 过了一定的时候,太平洋战役跟着来了。 |
| 9. | After a specified delay, bit "o" is read again . 经过一定的延迟后,再次读“O”位。 |
| 10. | I had no special standard for judging school . 我并没有一定的标准来判断学校的优劣。 |