% 12-6-8.tex
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图~75
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图~76
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图~77
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图~78
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t 2 exp 1 add div}
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图~79
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图~80
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图~81
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图~82
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图~83
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图~84
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图~85
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图~86
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图~87
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图~88
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图~89
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图~90
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图~91
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图~92
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图~93
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图~94
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\uput[d](5.25,-1){\color{red} 年份}
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图~95
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图~96
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图~97
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图~98
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图~99
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4.5 4.8
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图~100
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