One difficulty: Monkeys live almost 30 years on average, meaning any study to measure a difference in death rates would need to wait a long time.

但此类研究面临着一个困难：猴子平均可以活将近30年，这意味着任何衡量寿命差别的研究都需要等待很长时间。

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But critics said the groups of neutrinos were far more spread out in time than that tiny difference, blurring the team's ability to accurately measure them.

但有批评说，中子群在时间中扩散得更开，使该小组无法精确测量其速度。

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For measurements that must be recorded over a significant time period, there is a difference between the static and dynamic measure point, known as the lag.

需要在很长一段时间内才能完成的测量，其动态测量点和静态测量点是不同的，这就是延迟。

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