These maps are being used to test previous results that suggest that dark matter is more densely packed inside clusters than some models predict.

这些图片将会用来测试是否如之前模型所预测的一样，暗物质在某些星系集群里密度更大。

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You may also be asked to provide references, meet with school officials, or pass a test in the subject matter you are requesting credit for.

他们可能会要求你提供参考，与学校官员见面，或者就你申请学分的方面做一个测试。

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No matter which persona you use in a test case, the test data will be the same, because the flow of events is the same for the primary and secondary personas.

不论您在测试用例中使用的角色是什么，测试数据都将是一样的，因为对于主要和次要角色来说事件流是一样的。

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Superfluids are also used to study the fundamentals of matter and test major tenets of quantum physics.

BBC: Magnet repelled over superconductor, SPL

On Click, we like to put theories to the test, no matter how persuasive they appear at face value.

BBC: Click listeners test 'filter bubble'

For example, Amazon can run a multivariate test in a matter of minutes, where a smaller site with lower traffic volumes might take weeks or months to collect the necessary data for optimization.

FORBES: 3 Ways to Monetize Large Ecommerce Sites