Examples include onboard sensors, wayside detection devices and autonomous track geometry systems.
包括车上传感器，路旁探测设施和自动轨道几何系统。
Existing FRA tracksafety standards are comprehensive and specify track geometry and cant deficiency for FRA Classes 1 through 9 at speeds up to 200 mph.
现存的联邦铁路局轨道安全标准十分全面，对高达200英里/小时（约合322公里/小时）的速度指定了FRA1～9类这9种类型的轨道几何形状和欠高。
The track geometry irregularity is a stable normal distribution and state-history random variable.
轨道几何不平顺为平稳的正态分布和各态历经的随机变量。
The track geometry irregularity is a stable normal distribution and state-history random variable.
轨道几何不平顺为平稳的正态分布和各态历经的随机变量。
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