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Download the PPT template for the background of colorful watercolor lotus leaves, lotus flowers, and goldfish
Dark gray background, golden dotted line spherical network main pict...
This is a simple and elegant design, green environmental protection ...
Peking University thesis defense ppt template, introduction, researc...
Line frame, pictures, geometric graphics, stylish magazine style typ...
This is a work summary PPT with a light blue background. The design ...
Natural landscape large image cover background, translucent rectangl...