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Dot, rounded rectangle, thin line translucent minimalist cover design, translucent infographic, blue hazy blurry background, simple iOS style universal business report ppt template.
Simple and atmospheric general business ppt template, low triangle t...
North China University of Technology thesis ppt template, school gat...
Snow mountain starry sky background, translucent mask mask, geometri...
Background of golden mountains, Great Wall of China, party emblem, T...
Creative design of police badge, Tiananmen Square, Chinese watch, pe...
Central South University for Nationalities Thesis defense ppt templa...