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They had been living and working aboard the ISS since August and were expected to stay until February. The crew returned on January 15, which was a decision made by NASA's chief health and medical officer. Once the crew had landed, administrator Jared Isaacman said it was a "serious situation" but didn't go into any detail.，推荐阅读搜狗输入法2026获取更多信息
Author(s): Seyed Mahdi Mastoor, Ayda Baghervand, Amirhossein Ahmadkhan Kordbacheh，这一点在爱思助手下载最新版本中也有详细论述
The research is published in the journal Communications Earth & Environment.