| 1. | Mean time between failures , mtbf
平均故障时间 |
| 2. | Mtbf mean time before failure
平均故障时间 |
| 3. | Mtbf mean time before failure
平均故障时间 |
| 4. | Undetected fault time
未检出故障时间 |
| 5. | The total fault time with this type of ball mill is less than a week every year
这种类型的球磨机每年的故障时间不到一星期。 |
| 6. | Mean failure time mft
平均故障时间 |
| 7. | Describes using two , alternate sets of reporting volumes to decrease downtime for a reporting database
说明如何使用两个备用的报表卷集缩短报表数据库的故障时间。 |
| 8. | The second class cable ? suitable for more the earthing ? block time and more better insulated performa
第二类? ?用于接地故障时间更长的系统及对电缆绝缘性能要求较高的场合。 |
| 9. | The respective percentages of time when these scanners were in operation , inactive , under maintenance and out of order in the past year
在过去一年该等机器的操作时间不操作时间维修及机器故障时间的百分比分别为何 |
| 10. | Such attacks often result in significant financial loss as a result of down time , damage to computer systems , and loss of reputation
由于故障时间长、电脑系统被破坏和受害机构的声誉蒙污，这类攻击往往造成重大的经济损失。 |
