The response mechanism of emergency response system is the important foundation for the sound operation of work safety, which is the key technical element to guarantee the quick and effective actions.

应急救援的响应机制是国家生产安全应急体系运行的重要基础，是保证应急救援活动快速、有效的技术关键。

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Finite element simulation is an effective method to study high-speed cutting mechanism, and several key finite element techniques are studied in this paper.

有限元模拟是研究高速切削机理的有效方法，本文致力于有限元模拟所必需的关键技术研究。

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Trend chasing is a fairly taboo act in any creative field, where having a distinct and unique vision is the key element to creating affecting and effective art, and it can be a death wish in pop music.

FORBES: On The Offspring And Chasing Trends In Pop Music