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.

尽管有海森堡限在，目前最时钟每次测时都直接扫描一赫兹宽「」，以找出确实中心，误差只有一毫赫兹。