介绍了JY型列车接近语言预警机的软、硬件设计和工作原理，并对其技术特点进行了分析。
This paper introduced the design purpose and working principle of Model JY Train Approaching Announciator and analyzed the features of the system.
以语音方式发出列车接近报警信息，通知桥梁或隧道中的工作人员注意和避让，保护人员和设备的安全。
Via speech sound, it was alarmed train approaching, noticed the men working in brige or tunnel to be careful and keep away fron track, protected the safety of men and device.
针对远方列车信号很小，且具有很强的噪声，直接通过时域分析误差较大，因此，采取频域分析方法，获取列车接近时的警报信号的规律，以用于便携式列车接近安全报警系统中。
So by means of the frequency-domain analysis, the character of alarming signal can be deduced and used in the system of portable safety alarming system of train approaching.
欧洲列车正点发车率接近90%，而美国短途列车的正点发车率仅为77%，长途列车则更不可靠。
Where European passenger service is punctual around 90% of the time, American short-haul service achieves just a 77% punctuality rating. Long-distance trains are even less reliable.
记者从广铁集团了解到，目前计划节后在湖南地区始发的43对临客列车中，已有38对上线运行，京广等主要干线运能安排已接近极限。
The reporter knew from the Guangzhou Railway Group that at present, 38 out of the 43 temporary trains had been put into service.
记者从广铁集团了解到，目前计划节后在湖南地区始发的43对临客列车中，已有38对上线运行，京广等主要干线运能安排已接近极限。
The reporter knew from the Guangzhou Railway Group that at present, 38 out of the 43 temporary trains had been put into service.
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