vacuum tube

简明释义

真空管

英英释义

例句

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

这台旧收音机使用一个真空管来放大声音信号。

2.The scientist explained how a vacuum tube works in his lecture.

科学家在讲座中解释了真空管的工作原理。

3.Some audiophiles prefer vacuum tube equipment for its unique sound quality.

一些音响爱好者偏爱真空管设备，因为它独特的音质。

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

许多复古音响依赖于真空管来产生温暖的音色。

5.In the early days of computing, a vacuum tube was used as a switch.

在计算机早期，真空管被用作开关。

作文

The invention of the vacuum tube (真空管) marked a significant turning point in the history of electronics. Before its introduction, electronic devices were limited in their functionality and efficiency. The vacuum tube was crucial in enabling the development of radio technology, amplifiers, and early computers. Its ability to control electrical current in a vacuum made it possible to amplify weak signals, which was essential for transmitting clear audio and visual information over long distances.One of the most notable applications of the vacuum tube was in radio broadcasting. In the early 20th century, radio was becoming increasingly popular, but the existing technology could not adequately amplify signals. The introduction of the vacuum tube allowed for the amplification of these signals, leading to clearer sound quality and more reliable transmission. As a result, radio stations proliferated, and people could enjoy music, news, and entertainment in the comfort of their homes.In addition to radio, the vacuum tube played a vital role in the development of early computers. The first electronic computers, such as the ENIAC, utilized thousands of vacuum tubes to perform calculations and process data. Each vacuum tube acted as a switch, allowing or blocking the flow of electricity based on the input it received. This capability enabled computers to perform complex operations much faster than mechanical counterparts, paving the way for the digital age.However, the vacuum tube was not without its drawbacks. They were relatively large, consumed a significant amount of power, and generated a lot of heat. These limitations led to the search for alternatives, which eventually resulted in the invention of the transistor in the 1940s. Transistors were smaller, more efficient, and more reliable than vacuum tubes, leading to their widespread adoption in all forms of electronic devices.Despite being largely replaced by transistors, the vacuum tube remains relevant in certain applications today. For instance, high-fidelity audio equipment often utilizes vacuum tubes because they are believed to produce a warmer sound compared to solid-state components. Additionally, some radio frequency applications still rely on vacuum tubes due to their ability to handle high power levels.The legacy of the vacuum tube is profound, as it laid the groundwork for modern electronics. Understanding its significance helps us appreciate the technological advancements we enjoy today. The transition from vacuum tubes to transistors represents a key evolution in our ability to manipulate and control electrical energy, ultimately leading to the sophisticated devices we use every day. In conclusion, the vacuum tube was not just a component; it was a catalyst for innovation that transformed communication, computing, and our daily lives in ways we continue to benefit from today.

真空管的发明标志着电子历史上的一个重要转折点。在其引入之前，电子设备的功能和效率受到限制。真空管在无线电技术、放大器和早期计算机的发展中起到了至关重要的作用。它在真空中控制电流的能力使得放大微弱信号成为可能，这对于长距离传输清晰的音频和视觉信息至关重要。真空管最显著的应用之一是在广播中。在20世纪初，无线电变得越来越流行，但现有技术无法充分放大信号。真空管的引入使得这些信号的放大成为可能，从而导致更清晰的音质和更可靠的传输。因此，广播电台大量涌现，人们可以在家中享受音乐、新闻和娱乐。除了无线电，真空管在早期计算机的发展中也发挥了重要作用。第一台电子计算机，如ENIAC，利用成千上万的真空管进行计算和处理数据。每个真空管作为开关，根据接收到的输入允许或阻止电流的流动。这一能力使得计算机能够比机械设备更快地执行复杂操作，为数字时代铺平了道路。然而，真空管并非没有缺点。它们相对较大，消耗大量电力，并产生大量热量。这些限制导致对替代品的探索，最终在1940年代催生了晶体管的发明。晶体管比真空管更小、更高效且更可靠，导致它们在各种电子设备中的广泛采用。尽管被晶体管大部分取代，真空管在某些应用中仍然保持相关性。例如，高保真音频设备通常使用真空管，因为人们认为它们相比固态元件能产生更温暖的声音。此外，一些射频应用仍依赖于真空管，因为它们能够处理高功率水平。真空管的遗产深远，因为它为现代电子奠定了基础。理解其重要性有助于我们欣赏今天享有的技术进步。从真空管到晶体管的过渡代表了我们操控和控制电能能力的关键演变，最终导致我们每天使用的复杂设备的出现。总之，真空管不仅仅是一个组件；它是推动创新的催化剂，改变了通信、计算和我们的日常生活，以我们今天继续受益的方式。