In addition, NIST has shown that extremely stable microwave signals can be generated from optical frequency combs.

另外，NIST还发现可以从光学频率梳产生非常稳定的微波信号。

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When distribution statistics are generated for the column "TYPE," the optimizer knows the real frequency of each model.

而一旦生成了关于“TYPE”列的分布统计信息，优化器即可了解每种型号真正的出现频率。

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The frequency comb is generated by a laser that produces a series of veryshort, equally spaced pulses of light (like the teeth of a comb) across a broadspectrum of frequencies.

这个频率梳理装置由一束产生一系列非常短，空间上平均分布（就好象梳齿一样）、频率上广泛分布的光脉冲产生的。

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More specifically, researchers have been interested in the link, if any, between the extremely low frequency magnetic fields generated by these lines and childhood leukaemia.

ECONOMIST: Power lines and cancer

Residents from the surrounding housing estate became concerned about the frequency of the events in the summer months and the noise they generated.

BBC: Northampton lift tower seeks abseiling permission

Using millimeter wave technology, which the TSA says emits 10, 000 times less radio frequency than a cell phone, the machine scans a traveler and a robotic image is generated that allows security personnel to detect potential threats -- and, some fear, more -- beneath a person's clothes.

CNN: Airport security bares all, or does it?