rarefactional

简明释义

英[ˌrɛəfəˈkʃənl]美[ˌrɛrɪˈfækʃənl]

稀少的

英英释义

单词用法

同义词

反义词

例句

1.The least square problem of the convolution result and real seismic data can be considered as the solution of a huge rarefactional matrix equation, which can be solved by singular value decomposition.

然后将其与地震子波褶积，使其求解结果与实际地震数据的最小平方问题归结为求解一大型稀疏矩阵方程，并采用奇异位分解法求解。

2.The least square problem of the convolution result and real seismic data can be considered as the solution of a huge rarefactional matrix equation, which can be solved by singular value decomposition.

然后将其与地震子波褶积，使其求解结果与实际地震数据的最小平方问题归结为求解一大型稀疏矩阵方程，并采用奇异位分解法求解。

3.The rarefactional 稀疏的 phase of sound waves allows for the propagation of sound through the air.

声音波的rarefactional 稀疏的 阶段使声音能够通过空气传播。

4.In geology, the rarefactional 稀疏的 layers of rock can indicate past environmental conditions.

在地质学中，rarefactional 稀疏的 岩层可以指示过去的环境条件。

5.The rarefactional 稀疏的 regions in a gas can lead to lower pressure areas.

气体中的rarefactional 稀疏的 区域可能导致低压区域。

6.During the rarefactional 稀疏的 cycle of a wave, particles move apart from each other.

在波的rarefactional 稀疏的 循环中，粒子彼此之间分开。

7.The rarefactional 稀疏的 effect in a vacuum can be demonstrated using a vacuum pump.

在真空中，rarefactional 稀疏的 效应可以用真空泵来演示。

作文

The concept of sound is fascinating, especially when we delve into the physics behind it. Sound waves travel through various media, such as air, water, and solids, and they do so by creating regions of compression and rarefaction. When we produce a sound, like a musical note or a spoken word, we initiate a series of pressure changes in the surrounding medium. These pressure changes consist of areas where particles are close together, known as compression, and areas where they are spread apart, referred to as rarefactional (稀疏的). Understanding these concepts is crucial for anyone studying acoustics or related fields. When a guitar string is plucked, it vibrates, causing the air around it to compress and then expand. This expansion creates a rarefactional (稀疏的) wave that travels outward from the source. The alternating cycles of compression and rarefactional (稀疏的) waves are what we perceive as sound. The frequency of these waves determines the pitch we hear, while the amplitude affects the volume. In a classroom setting, when a teacher speaks, their voice generates sound waves that propagate through the air. As the sound waves move, they create regions of high pressure (compression) and low pressure (rarefactional (稀疏的)). Students sitting at different distances from the teacher may perceive the sound differently due to the varying intensities of these waves. Those closer to the teacher experience a louder sound because they are in a region of higher pressure, while those further away might only catch the rarefactional (稀疏的) parts, resulting in a softer sound. Interestingly, the concept of rarefactional (稀疏的) waves extends beyond just sound. In the field of meteorology, for instance, the principles of compression and rarefactional (稀疏的) play a significant role in understanding how weather patterns develop. When warm air rises, it expands and creates rarefactional (稀疏的) zones, which can lead to the formation of clouds and precipitation. Conversely, when cooler air descends, it compresses and increases pressure, affecting local weather conditions. Moreover, the phenomenon of rarefactional (稀疏的) waves is also evident in the study of seismic activity. When an earthquake occurs, it generates waves that travel through the Earth’s crust. These waves consist of both compression and rarefactional (稀疏的) segments. Seismologists analyze these waves to determine the location and magnitude of earthquakes, providing valuable information that can help in disaster preparedness. In conclusion, the term rarefactional (稀疏的) is integral to understanding various physical phenomena, particularly in the context of sound and wave propagation. By recognizing how sound waves consist of alternating regions of compression and rarefactional (稀疏的), we can better appreciate the complexities of acoustics, meteorology, and even geology. This knowledge not only enhances our scientific understanding but also enriches our everyday experiences with sound and the environment around us.

声音的概念非常迷人，特别是当我们深入研究其背后的物理学时。声波通过空气、水和固体等各种介质传播，并通过产生压缩和rarefactional（稀疏的）区域来实现。当我们发出声音，比如音乐音符或口语时，我们在周围介质中引发了一系列压力变化。这些压力变化由粒子靠近的区域（称为压缩）和粒子分散的区域（称为rarefactional（稀疏的））组成。 当吉他弦被拨动时，它振动，导致周围空气的压缩，然后扩展。这种扩展产生了向外传播的rarefactional（稀疏的）波。这种压缩和rarefactional（稀疏的）波的交替周期就是我们所感知的声音。这些波的频率决定了我们听到的音调，而振幅则影响音量。 在课堂上，当老师说话时，他们的声音产生的声波通过空气传播。当声波移动时，它们创造了高压（压缩）和低压（rarefactional（稀疏的））区域。坐在离老师不同距离的学生可能会由于这些波的强度差异而以不同的方式感知声音。那些离老师较近的人会体验到更响亮的声音，因为他们处于高压区域，而那些远离的人可能只捕捉到rarefactional（稀疏的）部分，导致声音变得较小。 有趣的是，rarefactional（稀疏的）波的概念不仅仅局限于声音。在气象学领域，例如，压缩和rarefactional（稀疏的）的原理在理解天气模式的发展中起着重要作用。当暖空气上升时，它会膨胀并产生rarefactional（稀疏的）区域，这可能导致云和降水的形成。相反，当冷空气下降时，它会压缩并增加压力，从而影响当地天气条件。 此外，rarefactional（稀疏的）波现象在地震活动的研究中也显而易见。当地震发生时，它会产生穿过地壳传播的波。这些波由压缩和rarefactional（稀疏的）部分组成。地震学家分析这些波，以确定地震的位置和震级，提供有价值的信息，有助于灾难准备。 总之，术语rarefactional（稀疏的）对于理解各种物理现象至关重要，尤其是在声音和波传播的背景下。通过认识到声波由交替的压缩和rarefactional（稀疏的）区域组成，我们可以更好地欣赏声学、气象学甚至地质学的复杂性。这种知识不仅增强了我们的科学理解，还丰富了我们与声音和周围环境的日常体验。