Those sounds are not in the frequency range that these whales hear.

这些声音不在这些鲸鱼听到的频率范围内。

Humans can detect sounds in a frequency range from about 20Hz to 20kHz.

而人类可以感知到大约 20Hz-20kHz 的频率范围内的声音。

And sounds and music stay within a specific frequency range to keep canine viewers from being startled or agitated.

声音和音乐保持在特定频率范围内，防止狗狗观众被惊吓或焦躁不安。

Every 90 seconds, the array switches to looking at a different star, or a different frequency range, and a new image is generated.

因为每隔90秒望远镜阵列就会切换观测另外一个星体或者一个不同的频段，一幅新的信息转换成的图像就会显示出来。

Most Wi-Fi networks use the 2.4 gigahertz frequency, which only has a certain number of channels, or subdivided frequency ranges, to broadcast on.

大多数 Wi-Fi 网络使用 2.4 GHz 频率，只有一定数量的频道或细分的频率范围可以广播。

The more I read, the more I realized that the characteristics that make lo-fi, lo-fi, that steady drum beat, that frequency range, that faux vinyl crackle.

我读得越多，就越意识到低保真、低保真、稳定的鼓点、频率范围、人造乙烯基裂纹的特征。

Basically, if we make a recording of music, and there's data in the ultrasonic frequency range, we can discard it, because we know that humans can't hear it.

基本上，如果我们录制音乐，并且有超声波频率范围内的数据，我们可以丢弃它，因为我们知道人类听不到它。

The use of AI has made them more sensitive to sounds in the lower frequency ranges characteristic of plastic pipes, which dampen the sound of leaks much more than metal ones.

人工智能的使用使得它们对塑料管道特有的低频范围内的声音更加敏感，这比金属管道更能抑制泄漏的声音。