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safety level of railway signaling
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safety level of railway signaling
Encyclopedia
工学
铁路信号故障-安全
释
safety level of railway signaling
铁路信号安全等级
对铁路信号系统的安全性进行衡量的一种方式。用以表示系统能够满足指定安全功能所要求的置信度等级。
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flower
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flower and bird pattern brocade
flower-and-rock fleet corvee
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flower arrangement
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flower bed maintenance
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flower border
flower border maintenance
Flower Border, Planting and Design
flower bud
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flower decoration
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flower-drum opera in southern Anhui
flower-drum opera popular in south Shaanxi
Flower-Drum Opera Protection and Heritage Center of Hunan Province
Flower-drum Opera Protection Center of Dingcheng District, Changde City
flower-drum song-dance
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