frequency

简明释义

英[ˈfriːkwənsi]美[ˈfriːkwənsi]

n. 出现次数；频繁；频率

复 数 f r e q u e n c i e s

英英释义

单词用法

同义词

反义词

例句

1.This part of the project is searching the nearest 1000 likely stars with high sensitivity for signals in the frequency range 1000 to 3000 MHz.

这部分项目搜寻离地球最近的1000颗可能存在的恒星，这些恒星对频率范围在1000到3000兆赫内的信号有着较高的灵敏度。

2.The quicker it vibrates, the greater the frequency of sound it produces.

它振动得越快，发出的声音频率就越高。

3.For this, he and his wife received the Nobel Prize for physics in 1910, and did so again in 1912 for their work on very high-frequency radio waves.

为此，他和他的妻子在1910年获得了诺贝尔物理学奖，并在1912年再次获得诺贝尔奖，以表彰他们在高频无线电波方面的研究。

4.Any device that's built to receive a wireless signal at a specific frequency can be overwhelmed by a stronger signal coming in on the same frequency.

任何以特定频率接收无线信号的设备都可能被来自同一频率的更强的信号淹没。

5.Frequency of crying varies widely: some shed tears at any novel or movie, others only a handful of times in their lives.

哭泣的频率差别很大：有些人在看小说或电影时都会流泪，有些人一生中只会流几次泪。

6.Basically, the phenomenon of Standing Waves occurs when sound waves of the same frequency reflect off the walls and meet from opposite directions.

基本上，当相同频率的声波从墙壁上反射并从相反方向相遇，就会出现驻波现象。

7.You might ask the applicant to provide some measure of the expected frequency and severity of failures.

您可能会要求应用程序提供一些预计频率和失败的严重性的方法。

8.The radio station broadcasts at a frequency of 101.5 MHz.

这个电台的广播频率为101.5 MHz。

9.In statistics, the frequency of an event is the number of times it occurs.

在统计学中，事件的频率是它发生的次数。

10.The doctor advised him to monitor his heart rate and its frequency during exercise.

医生建议他在锻炼时监测他的心率及其频率。

11.The frequency of meetings has increased to twice a week.

会议的频率增加到了每周两次。

12.She noticed a high frequency of errors in the report.

她注意到报告中错误的频率很高。

作文

The concept of frequency is fundamental in various fields, including physics, music, and even daily life. In physics, frequency refers to the number of occurrences of a repeating event per unit of time. For instance, when we talk about sound waves, the frequency determines the pitch of the sound. A higher frequency results in a higher pitch, while a lower frequency produces a lower pitch. This relationship between frequency and pitch is crucial for musicians who need to understand how different notes relate to one another. In music, the frequency of notes is measured in Hertz (Hz). For example, the note A above middle C has a frequency of 440 Hz. This means that the sound wave vibrates 440 times per second. Musicians often use this standard to tune their instruments, ensuring that they play in harmony with one another. The frequency is not only important for tuning but also plays a significant role in creating different musical effects. For example, by manipulating the frequency of a sound wave, a musician can create harmonics, which add richness and depth to the music. Beyond music and physics, frequency also appears in everyday life, particularly in the context of habits and routines. The frequency with which we engage in certain activities can significantly impact our well-being. For instance, exercising regularly at a high frequency can lead to better physical health, while a low frequency of social interactions may contribute to feelings of loneliness. Understanding the frequency of our behaviors allows us to make conscious choices that enhance our quality of life. In the realm of technology, frequency is crucial in communications. For example, radio waves operate at specific frequencies, which determine the channels we listen to on the radio. Higher frequencies can carry more data, making them essential for modern telecommunications. As technology advances, the management of frequency becomes increasingly vital, as we rely on it for everything from mobile phones to Wi-Fi connections. Moreover, in research and data analysis, understanding the frequency of certain events can provide valuable insights. For example, analyzing the frequency of customer purchases can help businesses identify trends and make informed decisions about inventory and marketing strategies. Similarly, in public health, tracking the frequency of diseases can assist in identifying outbreaks and implementing preventive measures. In conclusion, the term frequency encompasses a wide range of meanings and applications. Whether in the context of sound waves, personal habits, technology, or data analysis, frequency plays a crucial role in how we understand and interact with the world around us. By grasping the importance of frequency, we can enhance our knowledge and improve various aspects of our lives. The ability to recognize and manipulate frequency is a powerful tool, allowing us to create music, maintain health, communicate effectively, and analyze data with greater precision. Ultimately, frequency is not just a scientific term; it is a concept that permeates our daily experiences, shaping our perceptions and actions.

频率的概念在物理学、音乐甚至日常生活中都是基础性的。在物理学中，频率指的是单位时间内重复事件发生的次数。例如，当我们谈论声波时，频率决定了声音的音高。较高的频率会产生较高的音调，而较低的频率则产生较低的音调。这种频率与音高之间的关系对需要理解不同音符之间关系的音乐家至关重要。 在音乐中，音符的频率以赫兹（Hz）为单位进行测量。例如，中间C上方的A音符的频率为440 Hz。这意味着声波每秒振动440次。音乐家通常使用这个标准来调音，确保他们的乐器和谐地演奏。频率不仅对调音重要，还在创造不同的音乐效果中发挥着重要作用。例如，通过操控声波的频率，音乐家可以创造泛音，给音乐增添丰富性和深度。 除了音乐和物理学，频率还出现在日常生活中，特别是在习惯和日常活动的背景下。我们参与某些活动的频率可能会显著影响我们的幸福感。例如，以较高的频率进行锻炼会带来更好的身体健康，而较低的社交互动频率可能会导致孤独感。理解我们行为的频率使我们能够做出有意识的选择，从而提升生活质量。 在技术领域，频率在通信中至关重要。例如，电波在特定的频率下工作，这决定了我们在收音机上收听的频道。较高的频率可以传输更多的数据，这使其对现代电信至关重要。随着技术的进步，对频率的管理变得愈发重要，因为我们依赖它进行从手机到Wi-Fi连接的一切。 此外，在研究和数据分析中，理解某些事件的频率可以提供有价值的见解。例如，分析顾客购买的频率可以帮助企业识别趋势并做出关于库存和营销策略的明智决策。类似地，在公共卫生领域，跟踪疾病的频率可以帮助识别疫情并实施预防措施。 总之，频率这个术语涵盖了广泛的含义和应用。无论是在声波、个人习惯、技术还是数据分析的背景下，频率在我们理解和与周围世界互动的过程中都起着至关重要的作用。通过掌握频率的重要性，我们可以增强知识，并改善生活的各个方面。识别和操控频率的能力是一种强大的工具，使我们能够创造音乐、保持健康、有效沟通以及更精确地分析数据。最终，频率不仅仅是一个科学术语；它是一个渗透到我们日常体验中的概念，塑造着我们的感知和行为。