the act of putting furniture, a machine, or a piece of equipment into position and making it ready to use

Do you have to pay extra for installation? 你需要额外付安装费吗？

There have been calls for the installation of cameras at the junction.

Among our installations is a solar thermal system for domestic hot water.

a place where there are buildings and equipment that have a particular, especially military, purpose

a nuclear installation 核设施

The military still have several bases and installations on the island. 军方在岛上仍有几处军事基地及设施。

an occasion when someone is put in an important job or position

The installation of the new archbishop will take place in January. 新任大主教的就职仪式将于一月举行。

a form of modern sculpture where the artist uses sound, movement, or space as well as objects in order to make an often temporary work of art

The new installation adds an exciting interactive element to the museum's central atrium.