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Summary

Description
English: Young Chen Jingrun, a Chinese mathematician.
中文(简体):青年时期的数学家陈景润。
Date
Source http://www.fjsen.com/zhuanti/2011-04/22/content_4371991_3.htm
Author Unknown authorUnknown author

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Public domain
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According to copyright laws of the People's Republic of China (with legal jurisdiction in the mainland only, excluding Hong Kong and Macao), amended November 11, 2020, Works of legal persons or organizations without legal personality, or service works, or audiovisual works, enter the public domain 50 years after they were first published, or if unpublished 50 years from creation. For photography works of natural persons whose copyright protection period expires before June 1, 2021 belong to the public domain. All other works of natural persons enter the public domain 50 years after the death of the creator.
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2 January 1960

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445 pixel

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current18:51, 22 February 2016Thumbnail for version as of 18:51, 22 February 2016445 × 600 (62 KB)安眠3User created page with UploadWizard

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