Electronic mail system (EMS) is envisioned to work in a computer network for message forwarding, receipt and management, it is a sophisticated communication facility in office automation.

电子信件邮递系统(ems)是工作在计算机网络上的信息发送、接收和管理系统，是办公室自动化系统中的先进通讯手段。

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Whether the communication system is convenient is one of the important standards to level office building, and in which ZhongYang Mansion possesses obvious advantage.

交通是否便捷是衡量写字楼档次的重要标准之一，大厦在此方面具有明显优势。

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Intelligent Buildings are usually formed by the three basic elements: Building Automation System (bas), Communication Automation System (CAS) and Office Automation System (OAS).

智能楼宇通常由三大基本要素组成：楼宇自动化系统(BAS)、办公自动化系统(oas)、通信自动化系统(CAS)。

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But the Communication Workers Union (CWU) said the franchising system had cost "thousands" of post office jobs since it began five years ago.

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