• 过去100年来文学家特别注意一类称作“仙王座

    For 100 years astronomers have paid particular attention to a class of variable star known as the Cepheids.

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  • 御夫座ε27会发生一次科学家们趁此良机下了特写照片,通过照片他们发现有一片奇怪黑色物体投影上。

    Scientists taking close-up photographs of the Epsilon Aurigae during its eclipse, which happens every 27 years, noticed the strange dark object's shadow on the star.

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  • 阿多本雅明那里借用了一些术语用在了自己思想中,从、移、自然史等,赋予这些术语以新的概念内涵

    Adorno borrowed some terms from Benjamin, for example: the relations of stars; transformation, natural history and gived these terms new concept and intention.

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  • 建立了两级齿轮传动系统非线性动力学分析模型,模型中考虑系统的综合啮合误差啮合刚度以及齿侧间隙

    A dynamic analysis model in which the gear error and the time-varying stiffness and backlash are included is established for a 2-stage star gear train.

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  • 建立了两级齿轮传动系统非线性动力学分析模型,模型中考虑系统的综合啮合误差啮合刚度以及齿侧间隙

    A dynamic analysis model in which the gear error and the time-varying stiffness and backlash are included is established for a 2-stage star gear train.

    youdao

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