The reduced cardiovascular risk remained when the researchers from the Medical University of South Carolina took into account physical activity, body mass index, demographic and cardiac risk factors.

南卡罗来纳医学院的研究人员综合考虑了身体活动、体重指数、人口统计和心脏危险因素后认为：减少的风险依旧存在。

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They also lost less body mass, a possible sign of reduced evaporation. The roaches, it seems, hold their breath to stay wet.

同时，潮湿环境中的昆虫失去的身体重量也较少，可能是因为蒸发减少了。看来，这些蟑螂通过屏住呼吸来维持湿度。

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According to the requirements of lightweight design in a new vehicle development, an improvement design is conducted on the original body structure with the mass of front-end structure reduced.

根据某新车开发轻量化设计的要求，对原车身结构进行了改进设计，减轻了前端结构的质量。

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