联邦铁路局说新安全系统将只用在65000英里铁路上（美国铁路总里程为140000英里），但铁路公司却预计该系统将覆盖总里程的一半。
Whereas the FRA says that the new safety system will apply to only 65,000 miles (out of a total of over 140,000), the industry reckons it will cover more than half the network.
给出了实现汽车安全系统功能的多个关键技术模块的相互关系和实现思路，设计了汽车安全控制系统总布置及结构方案。
The relationships and realization ideas of various key technical modules for realizing the functions of vehicle safety system are presented with its overall layout and structure schemes designed.
给出了实现汽车安全系统功能的多个关键技术模块的相互关系和实现思路，设计了汽车安全控制系统总布置及结构方案。
The relationships and realization ideas of various key technical modules for realizing the functions of vehicle safety system are presented with its overall layout and structure schemes designed.
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