Carl Zeiss was founded in1846 in Jena as a workshop for precision mechanics and optics.

卡尔·蔡司1846年成立于Jena，是一家生产精密光机的工厂。

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The workshop for precision mechanics and optics opened by Carl Zeiss in Jena in 1846 already enjoyed a sustained period of prosperity during its early years.

卡尔蔡斯公司1846年创立于德国耶拿，它的生产精密光学机械的工厂，在初创时期就一直很是繁荣。

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The probabilistic model of rock and soil mechanics parameters affects the results and precision of reliability analysis and design.

岩土力学参数的概率分布类型直接影响岩土工程可靠性分析的计算结果和精度。

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But these businesses are not just about mechanics and precision and highly-tooled movements or big rocks set in articulated frames.

WSJ: Watches & Jewelry 2013

True, we have mathematical models that approximate the behavior of many physical systems, and in some cases (like quantum mechanics) it does so with extremely high precision.

FORBES: Software Is Just Math. Really.