frequency drift

• 频率漂移

frequency drift的用法和样例：

例句

1. The limited sensitivity of present pulsar surveys and the greater frequency drift make the more distant pulsars difficult to observe.
   目前脉冲星普查的有限探测灵敏度和大的频率漂移，使我们难以观测到更遥远的脉冲星。