But the key is relatively difficult to manage, which will influence the security and efficiency.
但对称加密的密钥管理较困难，这会成为影响安全和效率的一个因素。
Enhance the using efficiency and manage level of the construction capital.
使资金的投放更加科学，统一协调，提高建设资金的使用效率。
Manage front line team service, quality, cost, productivity and efficiency.
管理一线团队的服务、质量、成本、生产力和效率。
Manage front line team service, quality, cost, productivity and efficiency.
管理一线团队的服务、质量、成本、生产力和效率。
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