The result is a smoother surface, lower contact stresses and an increase in service life.

结果是表面更为平滑、接触应力降低和使用寿命延长。

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The seamless fusing machine belt is longer in service life than that of any seamed teflon conveyor belt.

无缝粘合机带寿命比任何有接缝的铁氟龙输送带寿命都要长。

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Cutting Power: USES the imported servo-control technology, fast in speed, low in noise but long in service life.

裁剪动力：采用进口伺服控制技术，速度快，噪音小，寿命长。

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She died after a life of service to others in April,nineteen twelve, at age ninety.

VOA: special.2009.07.26

And Machiavelli spent a good deal of his adult life in the service of the republic.

而马奇亚维利的成年时光,有一大部份花在这个共和国的公职上。

耶鲁公开课 - 政治哲学导论课程节选

It was revived in 1963 as a way to honor individuals for distinguished service from all walks of life.

VOA: standard.2009.08.12

The unwavering defender of human dignity, who has spared no effort to advance peace and reconciliation and to eradicate injustice and violence, in particular in relation to children and women, Archbishop Desmond Tutu has spent his life in the service of humanity - even after his retirement from public life.

UNESCO: Social and Human Sciences Events | United Nations Educational, Scientific and Cultural Organization

The Ritz Carlton mentors 7th and 8th graders in their Succeed Through Service campaign to help prepare young students with necessary life skills while engaging them in service-learning and career exploration.

FORBES: Networking at the White House: How to Create Awareness For Your Cause

GE-3 was put in service in September 1997 and has an expected life of 12 to 15 years.

CNN: graphic