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。

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.

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得益于大学中文老师的指引，在广州郊区一家技术公司，我找到了一份商业分析师的工作。广州是中国第三大城市。

Thanks to a lead from my college Chinese teacher, I found a job as a business analyst at a technology company in a suburb of Guangzhou, China's third-largest city.

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