In this case, you have to open and close it with exactly the same frequency as the rotation of the neutron star.

在这个例子里，你必须以和中子星，旋转相同的频率，对其进行开关。

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It blinks at us at exactly the frequency of its rotation, 33 milliseconds.

它闪耀的频率和，旋转的频率完全相同，是33毫秒。

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These high frequencies correspond to the rotation speeds of centrifuges; America tightly controls the export of frequency converter drives able to operate at frequencies above 600 Hz.

这些高频率与离心机的转速相对应；美国对能够以600赫兹以上频率运行的频率转换器驱动的出口进行了严格管控。

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"If the sudden frequency change is neglected, then after only eight hours, a complete rotation of the pulsar is lost in our counting, and we can no longer determine at which rotational phase the gamma-ray photons reach the detector aboard Fermi, " Pletsch explained.

MSN: Oddball pulsating star hiccups as it spins