Multiple-curve Yellow River water coming and going model

• Main Author: MA HONGXING
• Format: Patent
• Language: Chinese; English
• Published: 07.07.2017
• Subjects: ADVERTISING; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE; CRYPTOGRAPHY; DIAGRAMS; DISPLAY; EDUCATION; EDUCATIONAL OR DEMONSTRATION APPLIANCES; GLOBES; PHYSICS; PLANETARIA; SEALS

The invention belongs to the technical field of a teaching appliance, relates to a geography or nature teaching aid and specifically relates to a multiple-curve Yellow River water coming and going model. The model is formed by two parts: a miniature electric sprayer and a thermoplastic moulded hard plastic film shell. The multiple-curve Yellow River water coming and going model prepared through the technical scheme above an demonstrate coming and going of the Yellow River water dynamically by utilizing the miniature electric sprayer to spray water in U-shaped grooves of a main stream and branches of the Yellow River in the west-high east-low rectangular hard plastic film shell having Yellow River basin landform convexo-concave features and formed after color printing and thermoplastic moulding, so that compared with planar printed pictures and texts on a geography textbook, the model can express the geographical knowledge of the Yellow River more visually and vividly, realizes teaching with entertainment, can