[, ]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 softwareSAP 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