“urban rail signalling system”的概念、定义、翻译、参考文献-科学参考

单词	urban rail signalling system
释义	urban rail signalling system Encyclopedia 工学城市轨道交通运行系统设备释 urban rail signalling system城市轨道信号系统实现行车指挥、列车运行监控与管理所需技术措施及配套装备的集合体。
随便看	quadratic reciprocity quadratic reciprocity law quadratic reciprocity theorem quadratic recurrence equation quadratic representation quadratic residue quadratic residue modulo m quadratic residue symbol quadratic residue theorem quadratic risk quadratic root quadratics quadratic sieve quadratic sine quadratic smoothing quadratic solitons quadratic space quadratic space of a quiver quadratic square quadratic stability quadratic stabilizability quadratic stabilization control quadratic Stark effect quadratic sum quadratic surd

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