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Together with the practical application of the panel turnover gas-lock valve, the factors of the inherent character with the friction effect are also given in this paper.

结合生产实践分析了由于摩擦阻力而形成的翻板式锁气阀所固有的特性及其影响因素。

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Friction models and static characteristics of electrohydraulic servo motors are given in this paper.

给出了摩擦力模型和电液伺服马达的静态特性。

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As he watched bits of paper dancing with the effect of friction, he almost discovered electricity.

ECONOMIST: Isaac Newton

In their paper, the co-authors argue that gravitational tidal heating caused by the gravitational friction of an earth-like exo-moon on an eccentric orbit around a Jupiter-like planet lying at a Jupiter-like distance from its parent star, could, in fact, create habitable conditions.

FORBES: Earth-Like Exo-Moons Can Lurk Well Beyond Planetary Habitable Zones, Say Astronomers