Economic management learns with statistics teaching device
The utility model discloses an economic management learns with statistics teaching device belongs to economic management and learns the teaching aid field. Economic management learns with statistics teaching device, including the teaching with dull and stereotyped, the teaching is provided with the...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses an economic management learns with statistics teaching device belongs to economic management and learns the teaching aid field. Economic management learns with statistics teaching device, including the teaching with dull and stereotyped, the teaching is provided with the teaching with side surface before dull and stereotyped and uses the net, the teaching is with dull and stereotyped left side fixedly connected with coordinate scale, the coordinate scale front side is provided with the scale mark on the surface, the net one -to -one is used with the teaching to thescale mark, the teaching has the removal card with net bottom sliding connection, the spout has been offered with dull and stereotyped back side surface to the teaching, the spout is linked together with the net with the teaching, the inside sliding connection of spout has the magnet piece, the magnet piece is connected with the removal card, the teaching has the wheel of removal with dull and stereotyped bottom both side |
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