hsr
abbr. 高速阅读机（high speed reader）；高速铁路（high-speed rail）
例句
If HSR is to be a success, more rigorous and effective means will be required to separate train operations from MOW activities.
如果高铁想要成功运营，必须采取更严格、更有效的手段，将护路设备的活动与高铁运营分离开来。
Establishing safety standards and program guidance for HSR.
制定安全标准和高铁项目指导意见。
FRA expects a significant increase in the number of HSR operations.
联邦铁路局预期投入允许的高铁运行数量将有显著增长。
