For some time after his dangerous operation, Keren's life hang by a thread.
在手术后的一段时间，凯伦的生命都处于垂危之中。
One time arrives personally the scene training, artillerys fault operation makes him to be injured seriously, the life is critically ill.
一次亲临现场练兵，炮兵的失误操作令他严重受伤，生命垂危。
Besides, an expensive operation only prolongs its life for a short time.
除此之外，昂贵的手术医疗费，仅可以维持牠的生命非常之短暂。
Era of new media against the clock, dialogue urgent and necessary, pay close attention to the case of urgent study, time to do everything possible to run the same operation as the operating life blog.
新媒体时代分秒必争，对话紧迫又必要，在刻不容缓的情况下抓紧学习，千方百计挤兑时间像经营人生一样经营博客。
As long as the data of failure time, failure time interval and maintaining cost are collected in operation of equipment, the optimal service life of equipment can be determined.
只要在设备的使用过程中注意收集设备的故障时间、故障间隔时间和维修费用，就可以确定出设备的最佳使用寿命。
Conclusion Effective management and maintenance of robot surgical instruments can prolong their working life, shorten the operation time, and improve the operation level.
结论机器人设备、器械得到有效的管理和保养，延长了使用寿命，缩短了手术时间，提高了手术配合质量。
When reliability of network of life line engineering is calculated with probability theory, large work hours and large calculating operation time are always necessary.
应用概率论分析生命线工程网络的可靠度常遇到工作量太大和计算机时太多的困难。
The utility model has simple and reasonable structure, low manufacturing cost, flexible operation, small eject lifting resistance, high ejection altitude, long flight time and long service life.
本实用新型结构简单合理、制作成本低、操作灵活、弹射升空阻力小、弹射高度高、飞行时间长、使用寿命长。
I has the features of impact structure small volume long life-time strong on-and-off ability and simple operation and maintain.
本产品结构紧凑、积小、命长、合开断能力强、作维护简便。
Conclusion The quality of life of patients with metastatic spinal cancer accompanying compression fracture can be improved after comprehensive treatment plus operation at an appropriate time.
结论脊椎骨转移瘤合并压缩性骨折患者在综合治疗基础上，适时选择外科手术治疗可提高生活质量。
If the 50% actual operating time of aircraft engine is greater than the mean TBO in airline operation, the TBO can be prolonged. The method for estimating the prolonged life is also given.
航线使用中如有50%以上发动机实际使用寿命超过平均翻修寿命，发动机就可以延寿，给出了延寿估算方法。
If the 50% actual operating time of aircraft engine is greater than the mean TBO in airline operation, the TBO can be prolonged. The method for estimating the prolonged life is also given.
航线使用中如有50%以上发动机实际使用寿命超过平均翻修寿命，发动机就可以延寿，给出了延寿估算方法。
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