indistinguishability [化] 不可区分性
indistinguishability[ noun ]
exact sameness
<noun.attribute>
they shared an identity of interests
indistinguishability \in`dis*tin`guish*a*bil"i*ty\ n.
smilarity too close to be distinguished; exact sameness.
Syn: identity, identicalness.
[WordNet 1.5]