新兴国家的绝对产出还需要些时间才能挑战一份研究被国际科学界引用的频率。
It will take some time for the absolute output of emerging nations to challenge the rate at which this research is referenced by the international scientific community.
一种快速锁相功能，也可以启用，使11日至22日开关时间取决于绝对频率和步长毫秒。
A fast phase-lock feature can also be enabled to give switch times between 11 and 22 ms depending on absolute frequency and step size.
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