vacuum tube

简明释义

真空管电子管

英英释义

例句

1.The old radio uses a vacuum tube to amplify sound signals.

这台旧收音机使用真空管来放大声音信号。

2.In the early days of computing, vacuum tubes were essential for processing data.

在计算机发展的早期，真空管对数据处理至关重要。

3.The vacuum tube technology has been largely replaced by transistors.

随着技术的发展，真空管技术已经被晶体管大部分取代。

4.A vacuum tube can be found in some high-end audio equipment.

一些高端音响设备中可以找到真空管。

5.Many vintage amplifiers rely on vacuum tubes for their warm sound.

许多复古放大器依赖于真空管来产生温暖的声音。

作文

The invention of the vacuum tube revolutionized the field of electronics and paved the way for modern technology as we know it today. A vacuum tube (真空管) is an electronic device that controls electric current flow in a vacuum between electrodes. It was first developed in the early 20th century and played a crucial role in the development of radio, television, and early computers.Initially, the vacuum tube was used primarily in radio transmitters and receivers. Before its invention, electronic signals were difficult to amplify and control. The vacuum tube provided a solution by allowing engineers to amplify weak signals, making long-distance communication possible. This innovation not only improved the quality of radio broadcasts but also made it feasible to send messages over vast distances without significant loss of clarity.As technology progressed, the applications of the vacuum tube expanded. In the 1930s and 1940s, vacuum tubes became essential components in television sets. They enabled the modulation and demodulation of video signals, which was vital for transmitting clear images. The impact of the vacuum tube on entertainment and media cannot be overstated; it transformed how people consumed information and entertainment.Moreover, the vacuum tube was integral to the development of early computers. The first electronic computers, such as ENIAC, relied heavily on these tubes for processing data. Each vacuum tube acted as a switch or amplifier, allowing the computer to perform calculations at unprecedented speeds. Although these machines were enormous and consumed a lot of power, they laid the foundation for the digital revolution that followed.Despite its many advantages, the vacuum tube had limitations. They were relatively large, generated significant heat, and were prone to failure. As technology advanced, transistors were developed in the late 1940s and began to replace vacuum tubes in most applications. Transistors are smaller, more reliable, and consume less power, which led to the miniaturization of electronic devices and the rise of modern computing.However, the legacy of the vacuum tube endures. While they have largely been replaced in consumer electronics, vacuum tubes are still used in certain high-power applications, such as broadcasting and audio amplification. Audiophiles often prefer tube amplifiers for their warm sound quality, which is attributed to the characteristics of vacuum tubes.In conclusion, the vacuum tube (真空管) was a groundbreaking invention that shaped the course of electronic engineering and communication. Its ability to amplify signals and control current flow was instrumental in the development of various technologies, from radios to televisions to early computers. While modern advancements have rendered vacuum tubes less common, their influence remains evident in certain niches of technology today. Understanding the significance of the vacuum tube helps us appreciate the evolution of electronics and the innovations that continue to emerge in our rapidly advancing world.

真空管的发明彻底改变了电子学领域，并为我们今天所知的现代技术铺平了道路。vacuum tube（真空管）是一种在电极之间的真空中控制电流流动的电子设备。它是在20世纪初首次开发的，并在无线电、电视和早期计算机的发展中发挥了至关重要的作用。最初，vacuum tube主要用于无线电发射机和接收机。在其发明之前，电子信号的放大和控制非常困难。vacuum tube通过允许工程师放大微弱信号提供了解决方案，使长距离通信成为可能。这一创新不仅提高了广播质量，还使得在广阔的距离内发送信息而没有显著的清晰度损失变得可行。随着技术的进步，vacuum tube的应用范围不断扩大。在20世纪30年代和40年代，vacuum tubes成为电视机的重要组成部分。它们使视频信号的调制和解调成为可能，这对于清晰图像的传输至关重要。vacuum tube对娱乐和媒体的影响不可低估；它改变了人们获取信息和娱乐的方式。此外，vacuum tube在早期计算机的发展中也至关重要。第一台电子计算机，如ENIAC，严重依赖这些管子来处理数据。每个vacuum tube充当开关或放大器，使计算机能够以前所未有的速度进行计算。尽管这些机器体积庞大且消耗大量电力，但它们为随之而来的数字革命奠定了基础。尽管有许多优点，vacuum tube也有局限性。它们相对较大，产生大量热量，并且容易故障。随着技术的进步，1940年代末期开发出了晶体管，并开始在大多数应用中取代vacuum tubes。晶体管体积更小、更可靠且消耗更少的电力，这导致电子设备的小型化以及现代计算的兴起。然而，vacuum tube的遗产仍然存在。虽然在消费电子产品中已经大多被取代，但vacuum tubes仍然在某些高功率应用中使用，例如广播和音频放大。音响爱好者通常偏爱管式放大器，因为它们温暖的音质被归因于vacuum tubes的特性。总之，vacuum tube（真空管）是一项具有突破性的发明，塑造了电子工程和通信的进程。它放大信号和控制电流流动的能力对各种技术的发展至关重要，从无线电到电视再到早期计算机。尽管现代进步使得vacuum tubes变得不那么常见，但它们的影响在今天某些技术的细分市场中仍然显而易见。理解vacuum tube的重要性帮助我们欣赏电子学的演变以及在我们快速发展的世界中继续涌现的创新。