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Blackboard chalk style PPT courseware template，
This is a set of blackboard chalk PPT courseware templates, a total of 27;
The PPT template uses a black blackboard PPT background image. Fill in the title of the PPT courseware in the middle of the homepage. The PPT illustration of the teacher's office desktop is placed in the white chalk hand-drawn style below. The interface style is matched with the teaching PPT theme.
Blackboard chalk style PPT courseware template，
This is a set of blackboard chalk PPT courseware templates, a total of 27;
The PPT template uses a black blackboard PPT background image. Fill in the title of the PPT courseware in the middle of the homepage. The PPT illustration of the teacher's office desktop is placed in the white chalk hand-drawn style below. The interface style is matched with the teaching PPT theme.
