通过设计通信和后台管理软件，以及模拟前端门禁控制器程序，实现了网络集中与分布式智能化的管理。

By designing the communication and back-end management software and simulated entrance guard controller program, we realized the centralized and distributed intelligent management.

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实验室门禁管理系统由门控制器、区控制器、中央控制器及上层软件组成。

This laboratory management system of entrance guard is composed of door controller, area controller, central controller and upper software.

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实验室门禁管理系统由门控制器、区控制器、中央控制器及上层软件组成。

This laboratory management system of entrance guard is composed of door controller, area controller, central controller and upper software.

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