But this effect is not significant by using the synthesis of random frequency microwave power generators.

而随机频率功率源进行合成时，加热效果没有明显的变化。

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They blogged with learned-sounding certainty about how celebrity deaths, like all human demises, occur with random frequency.

他们的博客里充满冠冕堂皇的理论，说名人的死亡就同所有其他人一样，都是随机发生的。

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The RS sequences have been chosen as a pseudo-random frequency hopping sequence, and the RS sequence production method has been introduced.

采用RS码作为构造跳频图案的伪随机序列，分析讨论了RS序列的产生方法。

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MessageLabs, the email-filtering company that Symantec acquired in 2008, posted a set of word maps today measuring the frequency of terms in spam emails from a random one-week sampling of junk mail pulled from the most prolific spam-spewing botnets.

FORBES: The Most Common Words In Spam Email

Only a receiver programmed with the same random sequence would be able to follow the signal as it hopped from one frequency to another.

ECONOMIST: Player-piano pioneer

By changing the frequency of a radio transmission many times a second, causing it to leap around in an apparently random fashion, a radio signal could be made almost impossible to intercept.

ECONOMIST: Player-piano pioneer