As a widely used laser, the working lifetime of He-Ne laser is one of key parameters.

氦氖激光器是使用广泛的一种激光器，工作寿命是其可靠性重要指标之一。

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No matter what you choose, you will need a standard set of tools that will serve you during your working lifetime.

无论你选择什么，你将在未来的职业生涯中拥有一套适合的工具。

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The anxiety of prison policemen was related with age, working lifetime, marriage, personality, satisfaction of work and life as well as behavior type.

监狱警察的焦虑发生与年龄、工作年限、婚姻状况、性格、工作生活满意感、行为类型有关。

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If that doesn't sound huge, try compounding it for a working lifetime: 5% a year for 40 years gives you a 600% increment.

FORBES: The great stock illusion

In Roman times only the very richest would have the ability to make such a journey: the average working lifetime simply did not contain enough income to finance such a journey.

FORBES: Roman Travel Speeds: An Excellent New Toy

This would thereby leave fewer less capable workers competing in the more demanding private sector, where they will inevitably be laid off more frequently, requiring repeated government support payments during their working lifetime.

FORBES: Keep Geniuses Out of the Post Office