15_OA_菜单回显(附带完整视频百度网盘链接)
办公自动化（OfficeAutomation,简称OA）是将现代化办公和计算机网络功能结合起来的一种新型的办公方式。办公自动化没有统一的定义，凡是在传统的办公室中采纳各种新技术、新机器、新设备从事办公业务，都属于办公自动化的领域。(Office Automation (OA for short) is a new office mode that combines modern office and computer network functions. There is no uniform definition of office automation. Any traditional office that adopts various new technologies, new machines and new equipment to engage in office business belongs to the field of office automation.)
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