Introduced are the present situation and development of driverless metro technology in North America, Europe and Japan.
介绍了北美、欧洲和日本等国家无人驾驶地铁技术的现状及发展
。
Introduced are the present situation and development of driverless metro technology in North America, Europe and Japan.
介绍了北美、欧洲和日本等国家无人驾驶地铁技术的现状及发展。
：
上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
