megahertz

简明释义

英[ˈmeɡəhɜːts]美[ˈmeɡəhɜːrts]

n. 兆赫

复 数 m e g a h e r t z

英英释义

单词用法

同义词

反义词

例句

1.Quartz crystals are manufactured for frequencies from a few tens of kilohertz to hundreds of megahertz.

加工成型的石英晶体的频率可从几十千赫兹到数百兆赫兹。

2.For an initial service, a 10 megahertz-wide band of frequencies will be needed.

初期制动将需要10兆赫兹宽的频带。

3.By contrast, the white space freed up below 700 megahertz is to be made available for unlicensed use by the public.

与此相反，空出来的700兆赫以下的白色空间将会提供给无须授权的公众使用。

4.A few years ago people buying computers only looked at megahertz, or how many gigahertz, and so on.

几年前，人们购买电脑只能看着兆赫，或者有多少千兆赫，等等。

5.One megahertz is the same as one thousand kilohertz.

作为一个兆赫是一千千赫相同。

6.Wireless telephone that permits telecommunication within a defined area that may include hundreds of square miles, using radio waves in the 800-900 megahertz (MHz) band.

允许在数百上千公里的确定区域内通信的无线电话，使用800 ~ 900兆赫(MHz)频带的无线电波。

7.The radio station broadcasts on a frequency of 101.5 megahertz.

该广播电台在101.5兆赫的频率上播出。

8.The processor in my laptop runs at a speed of 2.5 megahertz.

我笔记本电脑的处理器运行速度为2.5兆赫。

9.The Wi-Fi router supports speeds up to 2400 megahertz for faster internet access.

这款Wi-Fi路由器支持高达2400兆赫的速度，以实现更快的互联网接入。

10.High-end gaming consoles often feature processors clocked at over 3 megahertz.

高端游戏主机通常配备时钟频率超过3兆赫的处理器。

11.My smartphone's CPU operates at 1.8 megahertz to handle multiple tasks efficiently.

我的智能手机的中央处理器以1.8兆赫的速度高效处理多任务。

作文

In today's rapidly advancing technological landscape, the term megahertz (兆赫兹) has become increasingly relevant. It is a unit of frequency that represents one million hertz, and it plays a crucial role in various fields, particularly in telecommunications and computing. Understanding megahertz is essential for anyone interested in technology, as it directly relates to the performance and capabilities of electronic devices.To grasp the significance of megahertz, we first need to understand what hertz means. Hertz is the standard unit of frequency in the International System of Units (SI), defined as one cycle per second. Therefore, when we talk about megahertz, we are discussing frequencies in the millions of cycles per second. This measurement is vital in determining how quickly a device can process information or transmit data.For instance, in the realm of computer processors, the speed at which a CPU operates is often measured in megahertz. A processor with a speed of 3000 megahertz can perform three billion cycles per second. This high speed allows for faster computations and improved performance when running applications or processing data. As technology evolves, we see an increasing trend towards higher megahertz ratings, which translates into more powerful and efficient devices.Moreover, megahertz is also significant in the field of telecommunications. In this context, it refers to the frequency bands used for transmitting radio waves. For example, FM radio stations typically broadcast in the range of 88 to 108 megahertz, which is why you might hear your favorite station referred to by its frequency, such as 101.5 megahertz. The ability to tune into these frequencies allows for clear audio transmission over the airwaves, showcasing the importance of megahertz in our daily lives.In addition to telecommunications and computing, megahertz also appears in other areas such as medical imaging and scientific research. For instance, MRI machines operate at specific megahertz frequencies to create detailed images of the human body. The choice of frequency can affect the quality of the images produced, highlighting the critical role that megahertz plays in medical technology.As we move forward into an era dominated by the Internet of Things (IoT), the relevance of megahertz will only continue to grow. With more devices connected to the internet, the demand for faster data processing and transmission speeds becomes paramount. This demand drives innovation in chip design and telecommunications infrastructure, ultimately leading to devices that operate at higher megahertz frequencies.In conclusion, the concept of megahertz (兆赫兹) is integral to understanding modern technology. From computer processors to radio frequencies and medical imaging, megahertz serves as a benchmark for performance and efficiency. As technology continues to advance, so too will our reliance on this important unit of measurement. By grasping the implications of megahertz, we can better appreciate the innovations that shape our world and enhance our daily lives.

在当今快速发展的技术环境中，术语megahertz（兆赫兹）变得越来越相关。它是一个频率单位，表示一百万赫兹，并在各个领域中发挥着至关重要的作用，特别是在电信和计算机领域。理解megahertz对于任何对技术感兴趣的人来说都是必不可少的，因为它与电子设备的性能和能力直接相关。要掌握megahertz的重要性，我们首先需要了解赫兹的含义。赫兹是国际单位制（SI）中的标准频率单位，定义为每秒一个周期。因此，当我们谈论megahertz时，我们讨论的是每秒数百万个周期的频率。这一测量在确定设备处理信息或传输数据的速度方面至关重要。例如，在计算机处理器领域，CPU的运行速度通常以megahertz来衡量。一个速度为3000megahertz的处理器可以每秒执行三十亿个周期。这种高速度允许更快的计算和在运行应用程序或处理数据时提高性能。随着技术的发展，我们看到越来越多的设备朝着更高的megahertz评级发展，这转化为更强大和高效的设备。此外，megahertz在电信领域也非常重要。在这种情况下，它指的是用于传输无线电波的频率带。例如，FM广播电台通常在88到108megahertz范围内广播，这就是为什么你可能会听到你最喜欢的电台被称为其频率，比如101.5megahertz。调谐到这些频率的能力使得通过空气波传输清晰的音频成为可能，展示了megahertz在我们日常生活中的重要性。除了电信和计算机，megahertz还出现在其他领域，如医学成像和科学研究。例如，MRI机器在特定的megahertz频率下工作，以创建人体的详细图像。选择的频率可能会影响所产生图像的质量，突显了megahertz在医疗技术中所发挥的关键作用。随着我们进入一个以物联网（IoT）为主导的时代，megahertz的相关性只会继续增长。随着越来越多的设备连接到互联网，对更快的数据处理和传输速度的需求变得至关重要。这种需求推动了芯片设计和电信基础设施的创新，最终导致能够以更高的megahertz频率运行的设备。总之，megahertz（兆赫兹）的概念对于理解现代技术至关重要。从计算机处理器到无线电频率和医学成像，megahertz作为性能和效率的基准。随着技术的不断进步，我们对这一重要测量单位的依赖也将不断增加。通过掌握megahertz的含义，我们可以更好地欣赏塑造我们世界并提升我们日常生活的创新。