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Roud then ventures a theory of his own: the custom, he argues, probably developed from a children’s game called Tig-touch-wood that was popular in early 19th century England.
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中科第五纪的硬件能力则来自清华大学团队。清华大学长聘教授孙富春担任中科第五纪联合创始人兼首席科学家，其师生团队为公司提供硬件和运控能力的支撑。
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