Ball screw is produced by high-level mechanical equipment coherent production, higher precision.

滚珠丝杠都是由高水平的机械设备连贯生产出来的，制作精度更高。

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In the past decade we have seen significant advances in the production of coherent broad-band Terahertz beams.

过去10年，相干宽带太赫兹光束的生产有了很大的进展。

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It is an unprecedented change in the production of human life, across geographical and time constraints, the human connection into a coherent whole, as people work and live in an important factor.

它前所未有地改变着人类的生产生活方式，跨过地域与时间的限制，将人类连接成一个紧密的整体，成为人们工作和生活中一个重要因素。

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That happens because, provided those electrons that have given off light are quickly pumped back to their excited states, the light bouncing around between the mirrors will stimulate the production of yet more light and a powerful, coherent beam will emerge.

ECONOMIST: Optoelectronics