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SEASONAL CHANGES AND SEASONAL CHANGES OF THE EARTH LEARNING DEVICES FOR LEARNING
SEASONAL CHANGES AND SEASONAL CHANGES OF THE EARTH LEARNING DEVICES FOR LEARNING
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机译:学习的地球学习设备的季节变化和季节变化
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摘要
The present invention relates to a globe and device for studying seasonal changes and, more particularly, to a globe and device for studying seasonal changes, enabling a user to easily and simply study the lengths of day and night, a shadow length, and a meridian transit altitude according to the seasonal changes.
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