I had sworn off cars, after all, not public transportation, which in Los Angeles proved to be a nimble system that welcomes bikes on the light rail trains and on all buses.

我发誓不坐小汽车，可毕竟没说不用公共交通，洛杉矶的公共交通体系还是很便捷的，你可以把自行车搬上轻轨列车和所有的公交车。

Introduces the issues on application of CCTV system based on the MPEG-4 compression, SDH optical transmission and large capacity hard disc storage technologies in urban rail transportation.

介绍了基于MPEG - 4压缩技术、SDH光纤传输技术和大容量硬盘存储技术的电视监控系统在城市轨道交通中的应用问题。

Three-rail system ensures the stable transportation of boxes.

三轨道系统确保盒子传输平稳。