A case study of the Olympics security system and related products, boundary surveillance system, smart soldier system and more will highlight the public security sector.
奥运会安保系统和相关产品的案例研究、边境监视系统、智能士兵系统和更多内容将在公共安全板块亮相。
The security is the most important thing of the whole public traffic system. Hence, the relay protection study of multi-car's DC traction supply system is significant.
公共交通的安全性是衡量整个系统的首要因素，因此，研究多车直流牵引供电系统继电保护具有重要意义。
There is important significance theoretically and practically to study the construction of public security culture in countryside in our country.
我国农村公共安全文化建构的研究，具有着重要的理论意义和现实意义。
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