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Chinese Textbooks

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代办中国签证，诚信服务

幻觉产生幻觉
长度与透视
米勒·莱尔幻觉

(有几个黑点？)

(长度与透视：线AB和线CD长度完全相等，虽然它们看起来相差很大)

(米勒·莱尔幻觉：哪条红线更长？)

(横线都是平行的哦！)

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