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This is a PPT background picture of the doctor's microscope laboratory;
Keywords: Doctor slide background picture, microscope, laboratory PowerPoint background picture
Company introduction ppt template, directory: company profile, produ...
State Grid Corporation logo, State Grid green color matching, geomet...
Large map background, creative minimalistic atmosphere cover of geom...
Peking University general ppt template, table of contents: abstract ...
Logo and title text, 5 color blocks creative rectangle creative, sim...
Rounded rectangular lines, rounded rectangular color blocks, rounded...