n.

1. 就任，就职；就职典礼[U][C]
   the installation of a new mayor

   新市长的就职

2. 安装，设置[U]
   The installation of the shower only took a few minutes.

   安装淋浴器只花了几分钟时间。

3. 装置，设备[C]
   a heating installation

   暖器设备

4. 【军】设施[C]
   American nuclear installations in Europe

   美国在欧洲的核设施

n.

1. the action or process of installing or being installed.
2. a large piece of equipment installed for use.
3. a military or industrial establishment.
4. an art exhibit constructed within a gallery.