帕金斯不健全的工作衰减材料，例如，复合材料的评价能力，以减少共振的部件，如前端覆盖。

Perkins does work on sound attenuation materials, for example, laminate materials are evaluated for their ability to reduce resonance of components such as front end covers.

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所以，如果你能够跟得上衰减这门课，理解了核素图，还有事实工作。

So you can in fact follow the course of the decay by understanding how the Chart of Nuclides and facts works.

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同时，从事最糟糕的工作者的精神健康在时间上衰减最多——工作越坏，就越影响工作者的健康。

Meanwhile, the mental health of people in the least-satisfying jobs declined the most over time - and the worse the job, the more it affected workers' well-being.

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