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下图为北半球某地一年内正午太阳高度不同值出现的频次图(实线和黑点代表实际存在)。读图完成1～2题。
The figure below shows the frequency plots of the different altitudes of the sun at noon in a year in the Northern Hemisphere (solid lines and black dots represent the actual existence). Read the picture to complete 1 ~ 2 questions.