The beauty of the experimental design is that it effectively rules out confounding variables; acoustic isolation assures that the female can respond only to the song structure itself.

实验设计的美妙之处在于它有效地排除了混淆变量；声学隔离确保了雌性只能对鸣声结构本身做出反应。

youdao

It also means they cannot jump, which rules out the pirouette.

这也意味着大象不能跳，跳芭蕾就更别想了。

youdao

But maybe there's nothing in biology that rules out the possibility.

但是生物学也没有完全排除这种可能。

youdao

But some experts point out the lack of such "open access" rules for telephone and cable companies.

VOA: special.2010.03.19

Nothing rules out the possibility that having the very same body is the key to being the very same person overtime.

一直以来，都没有依据去排除,同样的肉体是成为同一个人的关键,这个观点成立的可能。

耶鲁公开课 - 死亡课程节选

But maybe there's nothing in biology that rules out the possibility.

但是生物学也没有完全排除这种可能。

耶鲁公开课 - 死亡课程节选

Or he must make a full-throated defense of British membership that categorically rules out an exit.

WSJ: The EU Waiting Game Is Over For Cameron

It rules out the suggestion that the tubules could have been made more recently.

BBC: NEWS | Science/Nature | Early life thrived in lava flows

That pretty much rules out Citi's Michael Corbat and Goldman's Lloyd Blankfein.

WSJ: Writing on the Wall: The Next James Dimon