periodic vibration

简明释义

周期振动

英英释义

例句

1.To reduce noise, the building design includes features that dampen periodic vibration 周期性振动 from nearby traffic.

为了减少噪音，建筑设计包括一些特征，以减弱来自附近交通的周期性振动 periodic vibration。

2.The periodic vibration 周期性振动 of the tuning fork can be observed when it is struck.

当音叉被敲击时，可以观察到其周期性振动 periodic vibration。

3.The periodic vibration 周期性振动 of the engine indicated a potential mechanical issue that needed addressing.

发动机的周期性振动 periodic vibration表明可能存在需要解决的机械问题。

4.The engineer measured the periodic vibration 周期性振动 of the machinery to ensure it was operating within safe limits.

工程师测量了机器的周期性振动 periodic vibration，以确保其在安全范围内运行。

5.In the study of earthquakes, scientists analyze the periodic vibration 周期性振动 patterns to predict future seismic activity.

在地震研究中，科学家分析周期性振动 periodic vibration模式，以预测未来的地震活动。

作文

In the realm of physics and engineering, the concept of periodic vibration plays a crucial role in understanding various phenomena. Periodic vibration refers to the oscillatory motion that repeats itself at regular intervals. This type of vibration can be observed in numerous systems, from the simple swinging of a pendulum to the complex vibrations of machinery in an industrial setting. Understanding periodic vibration is essential for engineers and scientists as it helps them design stable structures and machines that can withstand dynamic forces.One of the most common examples of periodic vibration can be seen in musical instruments. When a guitar string is plucked, it vibrates back and forth, creating sound waves that we perceive as music. The frequency of these vibrations determines the pitch of the sound produced. Similarly, in a piano, when a key is pressed, hammers strike the strings, causing them to undergo periodic vibration. The study of these vibrations not only enhances our appreciation of music but also provides insights into the physical properties of materials used in instrument construction.In the field of civil engineering, periodic vibration becomes particularly significant when designing buildings and bridges. Engineers must consider how these structures will respond to various forces, including wind, earthquakes, and even the vibrations caused by traffic. For instance, tall buildings are designed to sway slightly during strong winds, a phenomenon known as 'dynamic response.' By analyzing periodic vibration, engineers can ensure that their designs are safe and capable of withstanding environmental stresses.Furthermore, periodic vibration is also a critical factor in the automotive industry. Vehicles experience vibrations due to engine operation, road conditions, and other factors. Engineers use techniques such as modal analysis to study these vibrations and improve vehicle performance and comfort. By understanding the periodic vibration characteristics of a vehicle, manufacturers can minimize noise and enhance the driving experience for consumers.In addition to engineering applications, periodic vibration is also relevant in the study of natural phenomena. For example, earthquakes can be modeled as waves of periodic vibration traveling through the Earth’s crust. Seismologists analyze these vibrations to determine the magnitude and epicenter of seismic events. By studying the patterns of periodic vibration, scientists can better understand the behavior of the Earth and potentially improve earthquake prediction methods.In conclusion, the concept of periodic vibration is integral to various fields, including music, engineering, automotive design, and earth sciences. Its implications are vast, influencing everything from the stability of skyscrapers to the quality of sound produced by musical instruments. As technology advances, the study of periodic vibration will continue to evolve, leading to new discoveries and innovations that enhance our understanding of the world around us. By grasping the principles of periodic vibration, we can apply this knowledge to create safer, more efficient, and more enjoyable experiences in our daily lives.

在物理学和工程学领域，周期性振动的概念在理解各种现象中起着至关重要的作用。周期性振动指的是以规则间隔重复自身的振荡运动。这种类型的振动可以在许多系统中观察到，从简单的摆动到工业环境中复杂机械的振动。理解周期性振动对工程师和科学家至关重要，因为它帮助他们设计能够承受动态力的稳定结构和机器。周期性振动最常见的例子之一可以在乐器中看到。当吉他弦被拨动时，它会来回振动，产生我们所感知为音乐的声波。这些振动的频率决定了所产生声音的音高。同样，在钢琴中，当按下一个键时，锤子击打弦线，导致它们经历周期性振动。对这些振动的研究不仅增强了我们对音乐的欣赏，还提供了对乐器制造中使用的材料物理特性的见解。在土木工程领域，周期性振动在设计建筑物和桥梁时尤为重要。工程师必须考虑这些结构如何响应各种力量，包括风、地震甚至交通造成的振动。例如，高楼大厦在强风中会稍微摇晃，这种现象被称为“动态响应”。通过分析周期性振动，工程师可以确保他们的设计是安全的，能够承受环境压力。此外，周期性振动在汽车工业中也是一个关键因素。车辆由于发动机运行、路况和其他因素而经历振动。工程师使用模态分析等技术来研究这些振动，并改善车辆性能和舒适度。通过了解车辆的周期性振动特性，制造商可以最大限度地减少噪音，提高消费者的驾驶体验。除了工程应用，周期性振动在自然现象的研究中也很相关。例如，地震可以建模为穿过地壳的周期性振动波。地震学家分析这些振动，以确定地震事件的震级和震中。通过研究周期性振动的模式，科学家可以更好地理解地球的行为，并可能改善地震预测方法。总之，周期性振动的概念在音乐、工程、汽车设计和地球科学等多个领域中是不可或缺的。其影响广泛，从摩天大楼的稳定性到乐器产生的声音质量，均有涉及。随着科技的进步，周期性振动的研究将继续发展，带来新的发现和创新，增强我们对周围世界的理解。通过掌握周期性振动的原理，我们可以将这一知识应用于创造更安全、更高效和更愉快的日常生活体验。