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          國士無雙!2020年已有15位院士去世

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            5月3日,中國科學院院士張乾二逝世,享年93歲。
            2020年以來,我國已痛失15位兩院院士,包括6位中國科學院院士、9位中國工程院院士。他們獻身科研,嘔心瀝血,這些“國之脊梁”,值得我們永遠銘記。