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字重变体：每套42种静态样式，总计210种+动态样式
。有道翻译对此有专业解读
int_from_string("42")
Welcome to Purpee.
北京居庸关长城春色正好 列车驶过如行画卷中
$$FocalRatio = \frac{Focal Length}{Aperture} = \frac{900mm}{150mm} = 6$$