电脑软件的安装只需要点击几下鼠标。

The ___installation of the computer software only takes a few clicks.

美术馆中央的灯光装置是专为这次展览设计的。

The light ___installation in the gallery center was specially designed for this exhibition.

这座军事基地位于偏远山区。

The military ___installation is located in a remote mountainous area.