Second, work enrichment measurements should be taken to increase job satisfaction.

要丰富工作内容，增加工作满足感；

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You can use the extra time to work on your career, volunteer in your community, or take classes for job advancement or just for personal enrichment.

您可以用额外的时间来为你的事业拼搏，在你的社区作一名志愿者，或为了工作晋升而去充电，或是丰富自已的个人生活。

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Since hydrogen recovery and oxygen enrichment are industrialized on large scale, a lot of researching work have been done on gas permeation mechanism in membrane.

自从氢气回收和富氧分离大规模工业化以来，人们对气体在膜中的渗透机理进行了大量的研究。

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The Europeans have also taken a tough line this time: the agreement reached with Iran specifies no deadline, and they insist it must include all work towards enrichment.

ECONOMIST: But who is squeezing whom?

To add to their suspicions, some traces of low-enriched uranium found in Iran have yet to be explained, and may indicate more enrichment work than has been owned up to.

ECONOMIST: Filling in the gaps in Iran's nuclear story

More to the point, Russia's offer to enrich the uranium from under 5% to the almost 20% needed for the medical reactor, along with France's readiness to turn it into the needed fuel rods, mean Iran had no excuse to do the higher enrichment work itself.

ECONOMIST: Brazil, Turkey and Iran