日本文部科学省于周六表示，目前还不清楚放射性材料是否发生泄漏。

It was not immediately known whether there was a radioactive materials leak, the Ministry of Education, Culture, Sports, Science and Technology announced Saturday.

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简要地说，它是日本文部科学省为了创建世界最高水平大学而实施的COE建设资助金制度。

In brief, it is an assistant funding program for COE advocated by Japan's Ministry of Culture and Science to develop world-class universities.

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