深秋的早晨
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杂技演员与最小二乘法
2017-10-16 23:01:55
感慨高斯、马尔可夫这些大师的匠心独具,每一位数学家都是一款艺术产品的缔造者!
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逆时针运动
2017-09-11 22:08:24![1505139065821066046.jpg 微信图片_20170911221013.jpg](/ueditor/jsp/upload/image/20170911/1505139065821066046.jpg)
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彼岸书店小览
2017-02-26 22:47:16![1488120229345003108.jpg IMG_20170221_130057 - 副本222.jpg](/ueditor/jsp/upload/image/20170226/1488120229345003108.jpg)
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2017年北京第一场春雪那天,午饭后去了一家书屋,叫“彼岸书店”。这家店位于牡丹园西北角,小小的很精致。
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清平乐·回塞外
2017-02-10 15:33:53![1487124900951036094.jpg 76223369623683590.jpg](/ueditor/jsp/upload/image/20170215/1487124900951036094.jpg)
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