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2009年10月31日,“两弹一星”元勋,著名的爱国科学家钱学森不幸与世长辞,享年98岁。他一生有很多优秀品质值得我们学习。
On October 31, 2009, Qian Xuesen, a well-known patriotic scientist, died in the world with 98 years of age. He has a lot of good qualities in his life that deserves our study.