Web 2.0 means communicating, sharing, discussing and trading online in very useful ways never possible before.
Web 2.0意味着以前所未有的、有效的方式在线沟通,分享,讨论和交易。
But once inside the event horizon (the surface of a black hole) it is never possible to communicate with the outside.
但是,一旦进入视界(黑洞的表面),就绝无可能与外界交流了。
The FIFA team recommends spending three to five days at altitude, although it is never possible to recover full sea-level fitness levels in this way.
FIFA队伍建议在海拔高处待上3~5天,虽然这样也永远不可能恢复到海平面时的全部水准。
"This was a human error which should never have occurred, and we are going to do everything possible to see that it is never repeated."
VOA: standard.2010.01.23
NO So that the more complete answer to the question is that no, we're never going to be able to observe that because of the uncertainty principle it's not possible to observe a velocity that's this slow for a macroscopic object.
所以这个问题的完整答案是,由于不确定性原理,我们不可能测量到这么慢的,宏观物体的速度,希望这个解释。
You know, most of these people are never going to be born, of course But we're talking about possible people ? How many possible people are there?
你知道,这些人中的大部分,永远都不会出生,当然,但我们在讨论可能的人,有多少可能的人?
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