Novel historical incident association training teaching aid
The utility model relates to a historical teaching aid technical field, concretely relates to novel historical incident association training teaching aid. Unable adjustment base be fixed with the interlude stand in the upper end in the middle of, alternate the upper end of stand to have cup jointed...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model relates to a historical teaching aid technical field, concretely relates to novel historical incident association training teaching aid. Unable adjustment base be fixed with the interlude stand in the upper end in the middle of, alternate the upper end of stand to have cup jointed the several and rotate the compass, every rotates and all is provided with the dottle pin between compass, alternates the upper end of stand to be provided with fixed knob, the surface of rotation compass be provided with several joint recess, the inside of joint recess is provided with the historical summary card, the upper end of rotating the compass is provided with the several and verifies the slot. Its simple structure, the association can be carried out through the characters label to the modern design, with the relevant complete historical incident of key term combination, the memory of the historical incident of being convenient for. |
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