[, ]the act of fixing equipment or furniture in position so that it can be used 安装；设置◆Installation of the security system will take several days. 安全系统的安装需要几天时间。◆We offer free installation and free service. 我们提供免费安装和免费服务。◆installation costs 安装费
() [] the act of putting a new program into a computer 安装◆the installation of the SAP software SAP 软件的安装
[] a piece of equipment or machinery that has been fixed in position so that it can be used 安装的设备（或机器）◆a heating installation 供暖装置
[] a place where specialist equipment is kept and used 设施◆a chemical/nuclear/an oil installation 化学／核／石油设施
[] the act of placing sb in a new position of authority 就职；就职仪式◆the installation of a new chief executive 新任总裁的就职