Elegant and simple gray dot line particle background

This is a set of elegant and simple gray point and line particle background PPT templates, a total of 23;The cover of the slide template is designed in a concise style, with dense gray dotted particles below as the background image. Use an elegant gradient circle in the middle and fill in the PPT title.PowerPoint template content page made from 21 gray flat slide charts. In addition, several fresh desk photos, pictures of bridges across the sea, and pictures of natural landscapes were used for typographic decoration.Keywords: gray and elegant PPT template, point and line particles PowerPoint background image, dynamic concise slide template