PPT template of graduation thesis opening report on notepad background
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PPT template of graduation thesis opening report on notepad background
The cover of the slide template uses a three-dimensional city buildi...
The cover of the slide template uses a green curve as the background...
The cover of the slide template uses blue sky, white clouds, grass, ...
The cover of the slide template, with the three-dimensional National...
The cover of the slide template uses mountains, seagulls, and towers...
This is a set of blue high-speed rail car background, railway indust...