The best clocks now scan a one-hertz-wide sweet spot to find its exact center, plus or minus one millihertz, in every single measurement—despite the Heisenberg limits.

尽管有海森堡限制的存在，目前最好的钟每次测量接扫描一赫兹宽的「好球区」，以找出确实的心，误差只有一毫赫兹。