Vertical structure emphasizes graph choice and design, pictures combination and pictures series. Horizontal structure optimization emphasizes the combination of text, pictures and practices, the maximization of the whole function of geography textbooks.

 
  • 纵向结构优化强调图表选择与设计、图像组合和图像系列化:横向结构优化注重馨糕了急图像与课文、习题、相关地图册的配合,注重教材整体功能最大化。
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