Rapid demonstration device for probabilistic science

The utility model discloses a rapid demonstration device for probabilitics, which relates to the technical field of teaching equipment and comprises a demonstration box, a perspective plate is arranged on the front surface of the demonstration box, a funnel plate is mounted in the demonstration box,...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WANG GE, CHAI HEPING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADVERTISING APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE CRYPTOGRAPHY DIAGRAMS DISPLAY EDUCATION EDUCATIONAL OR DEMONSTRATION APPLIANCES GLOBES PHYSICS PLANETARIA SEALS
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