Background picture of blue translucent polygon and connecting line technology PPT

These are five blue translucent polygons with connecting line design, technology PPT background pictures. Free download of exquisite technology slide background pictures;

Keywords: blue gradient slide background color, translucent triangle, virtual connection line PPT background picture, technology PowerPoint background picture, .png format;

These are five blue translucent polygons with connecting line design, technology PPT background pictures. Free download of exquisite technology slide background pictures;

Keywords: blue gradient slide background color, translucent triangle, virtual connection line PPT background picture, technology PowerPoint background picture, .png format;