Teaching demonstrator
The utility model discloses a teaching demonstrator, which comprises a support, a rectangular frame, a rotary bowl and a rolled paper, wherein the rectangular frame is fixed on the support, a rotary bowl is arranged on each side of the rectangular frame, and the rolled paper is positioned between tw...
Gespeichert in:
1. Verfasser: | |
---|---|
Format: | Patent |
Sprache: | eng |
Schlagworte: | |
Online-Zugang: | Volltext bestellen |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | The utility model discloses a teaching demonstrator, which comprises a support, a rectangular frame, a rotary bowl and a rolled paper, wherein the rectangular frame is fixed on the support, a rotary bowl is arranged on each side of the rectangular frame, and the rolled paper is positioned between two parallel rotary bowls. By using the characteristics of high repeatability of the content of courses, the utility model can record the content of courses on the rolled paper, which can be written before class, saving schooltime, can be repeatedly demonstrated, and can be repeatedly used in different classes, reducing the workload of teachers. |
---|