The Self - Preservation of the Hardy Country in the Return of the Native 哈代《还乡》中乡村的自我维持
By audio and video communication, the background management personnel can help visitors completing by their self service, combined with access control system and video system capture the image preservation, which is convenient for enterprise manage visitor information. 通过音视频通信,后台管理人员能够帮助访客完成自助服务,联合门禁系统和视频系统抓拍图像保存,便于企业管理访客信息。