Smart city top-level design is a comprehensive security challenges of data resource system management deficiencies.
智慧城市顶层设计的综合安全挑战是数据资源系统管理缺陷。
Product design quality is a comprehensive system which includes technology, economy, market, environment and so on.
产品设计质量是集技术、经济、市场、环境等多方面为一体的综合系统。
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