| 1. | It is necessary to maintain surveillance on these meters .
必须对这些仪表保持经常性的监测。 |
| 2. | The effective manager has no regular duties to perform .
高效率的管理者不需要完成经常性的任务。 |
| 3. | Maintenance of a healthy work group requires steady personal contact .
维护一个健康的工作小组需要经常性的人员接触。 |
| 4. | Regularity is important if one is to get the most benefit out of exercise .
如果要从运动中获得最大利益，经常性是重要的。 |
| 5. | Unnecessary cost creeps in and, if not continuously monitored .
如不加以经常性的监督，一些不必要的费用就会不知不觉地混入。 |
| 6. | If he had one abiding trait, it was his desire of astonishing people .
如果说他有什么经常性的癖好的话，那就是他老想惹人吃惊。 |
| 7. | But, just as in industrial countries, many large items of current expenditure were not reduced .
但是，就象工业国一样，许多大宗的经常性开支并未减少。 |
| 8. | Smugglers " run " guns , drugs and other prohibited dangerous items between countries , possibly as a regular activity .
“run”指走私者在国与国之间运送枪支、毒品及其他违禁危险品，可能为经常性的活动。 |
| 9. | Under modern conditions of communication and transportation, population adjustment is maintained by a ceaseless process of individual migrations .
在现代的交通运输条件下，人口调节是通过个人流动的经常性过程来维持的。 |
| 10. | Require incremental fixes or feature additions
需要经常性地打补丁或者增加新功能。 |
