The repairs carried out in May by the crew of the Space Shuttle Atlantis are expected to be the last.

VOA: special.2009.09.30

Because we made time and space independently, was we in fact violating the time-out rule?

因为将时间和空间,分开考虑，违背腾时间原则了吗？

麻省理工公开课 - 媒体、教育、市场课程节选

Because we made time and space independently, was we in fact violating the time-out rule?

因为将时间和空间,分开考虑，违背腾时间原则了吗？

麻省理工公开课 - 媒体、教育、市场课程节选