这些高频声音传播得没有那么远，因此可能更好地隐藏了发出这些声音的个体，它们在自己的地面巢穴中特别容易受到捕食者的攻击。
These higher-frequency sounds do not travel as far, and so may better conceal the individuals producing them, who are especially vulnerable to predators in their ground nests.
过去人们不知道光比声音传播得快。
In the past people didn't know that light travels faster than sound.
如你所见，介质越密集，声音传播就越快。
初步探讨了人工饲养条件下白鱀豚声音传播与环境适应的关系。
The relationship between sound transmission and environmental adaptation of Lipotes vexillifer in captivity was preliminarily studied.
父亲说，“光比声音传播快得多。”
父亲说光比声音传播快得多。
大家知道光比声音传播得快得多。
父亲说，光比声音传播快得多。
他说光传播比声音传播快得多。
老师告诉我们光比声音传播快。
The teacher told us that light travels much faster than sound.
众所周知，光比声音传播快。
我们的老师告诉我们光比声音传播得快。
老师说光比声音传播的快。
空气是声音传播的媒介。
他说光比声音传播得快。
空气是声音传播的介质。
光比声音传播的速度快。
光比声音传播得快。
声音传播得很好。
像我们所知道的那样，光传播的速度比声音传播的速度快。
用影像和声音传播的新闻是唯一真正有发展前途的新的新闻形式。
The journalism of sight and sound is the only truly new form of journalism to come along.
声纳一种利用水下声音传播来导航，联络或侦查其他船只的技术。
Sonar is a technique that USES sound propagation (usually underwater) to navigate, communicate or to detect other vessels.
他们可能意识到声音是通过空气传播的波，并可能有声音传播时空气压缩的概念。
They probably realized that sound was a wave propagating through the air and may have had a notion of the compressibility of air during sound propagation.
顺着风向呼喊，并不是声音传播的速度变快了，但是人们听到的声音却更清楚。
He who calls out downwind, can be heard more clearly, yet sound is not travelling any faster.
甚至用一种纯洁的声音传播的远远的，LRAD通过聚集的声音柱将声音传到远方的耳朵里。
Rather than using pure volume to throw sound far, the LRAD reaches distant ears by focusing the audio beam.
在1961年，美国制造商Convair生产出了可以达到0.91马赫的商用喷气式飞机，速度相当于声音传播速度91%。
In 1961, American manufacturer Convair released a commercial jet that could reach Mach 0.91, meaning 91 percent as fast as sound.
结果显示混合边界元方法在这类动边界声辐射问题上，能体现出声音传播的延迟效应，体现出液体压缩性对声压峰值的影响。
The result shows that the delay effect of noise propagation and the effect of the compressibility of liquid on the noise can be obtained.
课题研究内容主要是对于已经接收到监控中心的海上音频数据进行识别，首先介绍了声音传播和检测过程及其对后续处理的影响；
The study focuses on environmental sounds recognition after the monitoring center receiving audio data from the sea. First a brief introduction is given to sound propagation and detection process.
至于合唱团的名称，Pihcintu在怕萨马科迪语中将其译为“当她歌唱时，她的声音传播很远”，怕萨马科迪语是缅因地区美国土著部落使用的语言。
As to the name of the choir, Pihcintu translates it as, "When she sings, her voice carries far" in Passamaquoddy, a language spoken by a Native American tribe in Maine.
至于合唱团的名称，Pihcintu在怕萨马科迪语中将其译为“当她歌唱时，她的声音传播很远”，怕萨马科迪语是缅因地区美国土著部落使用的语言。
As to the name of the choir, Pihcintu translates it as, "When she sings, her voice carries far" in Passamaquoddy, a language spoken by a Native American tribe in Maine.
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