在我们的例子中，我们找到了真正的声学回声信标。
但直到二十世纪初，建筑声学才正式成为一个科学领域。
But it was not until the beginning of the twentieth century that architectural acoustics became a scientific field.
这就引出了另一个我们需要考虑的变量——建筑材料、墙壁及地板覆盖物的声学性质。
That brings me to another variable we need to consider—the acoustic characteristics of the building materials as well as the wall and floor coverings.
因此，乐器的进化优化了它们的声学特性，且优化了乐器振动的方式，并将这些振动通过空气传到我们的耳膜。
So musical instruments evolved in ways that optimize their acoustical properties, how the instrument vibrates and sends those vibration through the air to our eardrums.
那让我想起另一个我们需要考虑的因素，建筑材料的声学特性，以及墙壁和地板的覆盖物。
That brings me to another variable we need to consider, the acoustic characteristics of the building materials as well as the wall and floor coverings.
实验设计的美妙之处在于它有效地排除了混淆变量；声学隔离确保了雌性只能对鸣声结构本身做出反应。
The beauty of the experimental design is that it effectively rules out confounding variables; acoustic isolation assures that the female can respond only to the song structure itself.
军事研究员们正在试图将声学枪响探测器与一条耀眼的激光相结合，以惊吓将美国直升机作为目标的射手。
Military researchers are looking to combine an acoustic gunshot detector with a dazzling laser that will startle shooters who take aim at American helos.
这个脂肪组织具有相当独特的声学特征。
This fat tissue has some rather fascinating acoustical properties.
其实是一位材料学家发现了一种处理木材的方法，使其处理后的声学性质与克雷莫纳木材非常相似。
What happened was a material scientist figured out a way to process wood to make it acoustically similar to the Cremonese wood.
这种声学效果通常会使得声音的来源难以辨别。
Often the acoustics make it hard to identify where sounds are coming from.
他是国际声学杂志（声学学报）的副主编。
He is an associate editor for an international journal of acoustics (Acta Acustica).
利用声学原理探测中微子的一个优势就是：与光相比，声音在水或冰中更容易传播。
One advantage of acoustic detection is that sound travels rather better in water and ice than light does.
延迟必须很小，这样可以给音乐家一个正在弹奏一件真正的声学乐器的感觉。
The latency needs to be so small that it gives to the musician the impression of playing a real acoustic instrument.
毕达哥拉斯学派开始通过这些研究探索合弦与声学。
The Pythagorean School began the scientific exploration of harmony and acoustics through these studies.
在以后的日子中，他将编程经验和DSP 经验应用于其他领域，包括声纳和水下声学。
In the following years, he applied his programming and DSP expertise to other interesting areas, including sonar and underwater acoustics.
关于这个问题的第一本专著《声学》，是由亚里士多德，或可能是他的追随者写的。
The first monograph on the subject, on Acoustics, is attributed to Aristotle, although it may have been written by his followers.
美国科学家分析了装在虎鲨上的声学信号传送器中储存的数据，发现他们能够到各处直来直去。
US-based scientists analysed data from tiger sharks tagged with acoustic transmitters, and found that they took directed paths from place to place.
至少在实践上，古希腊人也知道其他的声学原理。
The ancient Greeks were aware of other acoustical principles, at least empirically.
所以在流行音乐中有很多声学的东西以及合成的技巧在里面。
So there are a lot of acoustical things and sort of tricks of synthetic things going on in pop music.
穆索尔斯基明白这个声学规律,因为他是位专业的音乐家,他通过制造这非凡卓越的音乐场景,表达了这个规律
So Musorgsky knew this law of acoustics because he was a professional musician and was playing off of it to create this rather unusual and remarkable musical sound-scape here.
维特鲁威还为声学增加了一个重大的历史之谜。
Vitruvius also added one of the great historical mysteries to the acoustical literature.
研究人员在美国声学学会的一次会议上展示了这段视频。
Researchers revealed the video at the Acoustical Society of America meeting.
建筑学家总是想设计出群众满意的声学环境房屋，但设计是否理想，不久就可借助虚拟耳朵来进行验证了。
ARCHITECTS aiming to create rooms with crowd-pleasing acoustics could soon rely on a pair of virtual ears to sound out their designs.
玻璃的声学振动。
他说，“那么，你进入了心理声学领域，并且这是一个非常模糊的话题。”
Then, you're getting into psychoacoustics, and that's a topic that gets a lot fuzzier.
美国和以色列以及世界上做事欠谨慎的警察据说都使用过一种叫做“远程声学装置”的音波武器。
And both American and Israeli armies and some less scrupulous police forces around the world are said to have used a sonic tool, the "long range acoustic device".
音乐，戏剧，和公共演讲艺术都对声学和建筑产生了影响并被其影响着。
The arts of music, drama, and public discourse have both influenced and been influenced by the acoustics and architecture of their presentation environments.
海洋声学波导遥测是一种特别令人兴奋的先进技术。
Ocean Acoustic Waveguide Remote Sensing is an especially exciting advance.
但是对于一些有低频振动的材料，如声学振动。
But for materials where you have vibrations, acoustic vibrations, those are low frequency.
他指出压缩和张力之间的关系是线性声学的基础。
It established the direct relationship between stress and strain that is the basis for the formulas of linear acoustics.
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