什么是频率

What is frequency

以上为机器翻译结果，快速获取精准的人工翻译结果，建议选择有道人工翻译

1
通常，您根本不知道用户将要做些什么，或者他们以怎样的频率来访问该站点，因此有些时候，它真的是让人难以猜测。
Often you simply do not know what users will do or how often they will access the site, and so sometimes it ends up really being a best guess.
2
即使是一把吉他上一个简单的音节都有一系列的谐振频率，而这一系列的谐振频率都有着特殊的谐振关系，这也正是为什么我们听到的只是某一音调上的一个单音。
Even a simple note on my guitar has an array of harmonic frequencies. But the frequencies have a special harmonic relationship, which is why you hear it as a single sound with a single pitch.
3
这些晶体通过对声子进行操控来工作；声子是一种振动波，可以携带声音或热量，具体携带什么则取决于其频率的高低【译者注：声子是晶体点阵振动能的量子】。
The crystals work by manipulating phonons, or vibrational waves that can carry either sound or heat depending on the frequency.

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