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The emblem of Beijing University, geometric creative cover, hexagon, rectangle, circle and other shape element charts, simple flat design, suitable for Peking University freshman's graduation defense, thesis defense general ppt template.
Plain and elegant gray background, rectangular simple creative cover...
Annual work summary and work plan for the next year ppt template, an...
Blue and gray gradient background, dotted line technology style, min...
Vibrant color matching colorful sand background background, minimali...
Party emblem, Great Wall of China, Huabiao, Tiananmen Gate, five-sta...
Annual work summary plan ppt template, annual work overview, work co...