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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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characteristic mass
characteristic matrix
characteristic measure
characteristic method
characteristic methods of polymers
characteristic model-based intelligent adaptive control
characteristic multiplier
characteristic normal
characteristic number
characteristic number of a manifold
characteristic number of a matrix
characteristic number of an operator
characteristic numbers of distribution
characteristic of a differential equation
characteristic of a field
characteristic of a hypersurface
characteristic of a logarithm
characteristic of an integral equation
characteristic of a ring
characteristic operator
characteristic operator function
characteristic parameter
characteristic parameter of antenna
characteristic piece
characteristic plane
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