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铁路通信业务
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铁路通信业务
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铁路通信
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railway communication services
铁路通信业务
为满足铁路运输生产和经营管理需要,利用通信技术设备,传送、发射或者接收语音、文字、数据、图像以及其他形式的信息服务与应用。各国铁路运输生产和经营管理需求大体相仿,通信业务需求基本一致。
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multiplicative generator
multiplicative group
multiplicative groupoid
multiplicative group scheme
multiplicative hazards model
multiplicative ideal
multiplicative identity
multiplicative identity element
multiplicative integral
multiplicative inverse
multiplicative inverse element
multiplicative lattice
multiplicative law
multiplicative linear functional
multiplicatively closed set
multiplicatively closed subset
multiplicatively convex function
multiplicatively invariant lattice
multiplicative measure
multiplicative metric isomorphism
multiplicative noise
multiplicative number system
multiplicative number theoretic
multiplicative number theory
multiplicative operation
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