impossibility

n.

不可能（性）；不可能的事（情况）；

复数：impossibilities

1. It was set down as an impossibility.
   那被看作是不可能的事。
2. It is an impossibility for you to do so.
   你那样做是不可能的事。
3. It is a physical impossibility to be in two places at once.
   同时身处两地在自然法则上是不可能的。
4. Completely banning nuclear weapons is a virtual impossibility.
   完全禁止核武器实际上是不可能的。

An Impossibility Theorem for Clustering
An impossibility theorem for clustering
The Impossibility of a Paretian Liberal: Reply
Impossibility of distributed consensus with one faulty process
Impossibility of distributed consensus with one faulty process
Impossibility of distributed consensus with one faulty process
On the Impossibility of Informationally Efficient Markets
‘Aggregating Sets of Judgments: Two Impossibility Results Compared.’
Indifferentiability, Impossibility Results on Reductions, and Applications to the Random Oracle Methodology
Indifferentiability, Impossibility Results on Reductions, and Applications to the Random Oracle Methodology