“railway environment noise”的概念、定义、翻译、参考文献-科学参考

单词	railway environment noise
释义	railway environment noise Encyclopedia 工学〔铁路环境噪声防治〕释 railway environment noise铁路环境噪声在铁路行车、调车作业等过程中，由于鸣笛、机械振动、轮轨撞击摩擦、弓网振动、空气与车体等相互作用而产生的不和谐声音。
随便看	simply connected group simply connected manifold simply connectedness simply connected region simply connected Riemann surface simply connected space simply connected surface simply consistent system simply convergent filter simply convergent sequence simply convergent series simply covered simply elliptic singularity simply generated simply harmonic space simply invariant subspace simply ordered simply ordered group simply ordered loop simply ordered set simply periodic function simply supported simply supported beams simply transitive group simply transitive set

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