美国宇航局现在设想让宇航员在火星上长期停留大约500天。
Currently NASA envisions a long stay for a crew at Mars, about 500 days.
提出这一设想的是纽约西奈山医学院的细胞生物学家伦纳德·奥恩·斯坦和美国宇航局气候模型家伊戈尔·艾列诺夫和大卫·林德。
The scheme has been thought up by Leonard Ornstein, a cell biologist at the Mount Sinai School of Medicine in New York, together with Igor Aleinov and David Rind, climate modellers at Nasa.
提出这一设想的是纽约西奈山医学院的细胞生物学家伦纳德·奥恩·斯坦和美国宇航局气候模型家伊戈尔·艾列诺夫和大卫·林德。
The scheme has been thought up by Leonard Ornstein, a cell biologist at the Mount Sinai School of Medicine in New York, together with Igor Aleinov and David Rind, climate modellers at Nasa.
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