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safety of railway traffic
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safety of railway traffic
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safety of railway traffic
铁路运输安全
铁路运输管理水平、设备水平、队伍建设、人员素质和运营环境等的整体状况。是铁路运输质量的重要表现方面。
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norite
norleucine
norlignan
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NORMA
Norma
Norma arm
normability
normable linear space
normable space
normal
normal Abelian integral of the first kind
normal Abelian integral of the second kind
normal Abelian integral of the third kind
normal absorbing coefficient
normal acceleration
normal affine scheme
normal algebra
normal algebraic variety
normal algorithm
normal alkanes
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normal analytic structure
normal approximation
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