switch hook

简明释义

挂钩开关

英英释义

例句

1.The switch hook is essential for managing multiple calls on a landline.

切换钩对于管理固定电话上的多个通话至关重要。

2.To hang up the call, just press the switch hook again.

要挂断电话，只需再次按下切换钩。

3.After finishing your conversation, remember to press the switch hook to end the call properly.

在结束谈话后，记得按下切换钩以正确挂断电话。

4.When you pick up the phone, make sure to press the switch hook to answer the call.

当你接起电话时，确保按下切换钩以接听电话。

5.If you want to put the call on hold, use the switch hook to interrupt the connection temporarily.

如果你想暂停通话，可以使用切换钩暂时中断连接。

作文

In the world of telecommunications, various terms and concepts play crucial roles in ensuring effective communication. One such term is switch hook, which refers to a mechanism used in telephone systems to detect when the handset is lifted or replaced. This simple yet essential component allows the phone to connect or disconnect a call, serving as a vital link between the user and the network. Understanding the function and significance of the switch hook can enhance our comprehension of how telecommunication devices operate.The switch hook is typically a small lever located within the phone's base. When the handset is placed on the base, the switch hook is engaged, signaling that the line is busy or that the phone is not in use. Conversely, when the handset is lifted, the switch hook is disengaged, indicating that the user wishes to make or receive a call. This mechanism is fundamental in both traditional landline phones and modern VoIP systems, where it helps manage call states effectively.Moreover, the switch hook also plays a role in features such as call waiting and three-way calling. For instance, when a second call comes in while a user is already on the line, the switch hook allows the user to switch between calls by briefly pressing the hook. This functionality demonstrates how a seemingly simple component can significantly enhance the user experience by providing more control over calls.Historically, the switch hook has evolved along with telephone technology. In the early days of telephony, the switch hook was a mechanical device that required physical interaction to change the state of the line. As technology advanced, electronic and digital systems replaced these mechanical components, allowing for more sophisticated features and improved reliability. Despite these advancements, the basic principle of the switch hook remains unchanged: it is a critical element in establishing and terminating communication.Understanding the switch hook also sheds light on the broader context of telecommunications. As society increasingly relies on instant communication, the efficiency of systems like the switch hook becomes even more important. It serves as a reminder of the intricate interplay between technology and human interaction, highlighting how advancements in one area can lead to improvements in another.In conclusion, the switch hook is a fundamental component of telephone systems that facilitates communication by managing call states. Its evolution from a mechanical device to an electronic component reflects the advancements in technology over the years. By grasping the significance of the switch hook, we gain a deeper appreciation for the complexities of telecommunications and the innovations that continue to shape our communication landscape. As we move forward into an increasingly digital age, understanding such components will be essential for navigating and utilizing the technologies that connect us all.

在电信的世界中，各种术语和概念在确保有效沟通方面发挥着关键作用。其中一个术语是switch hook，它指的是电话系统中用于检测手柄何时被提起或放回的机制。这个简单而重要的组件使电话能够连接或断开通话，成为用户与网络之间的重要链接。理解switch hook的功能和重要性可以增强我们对电信设备如何运作的理解。switch hook通常是位于电话底座内的小杠杆。当手柄放置在底座上时，switch hook被激活，表明线路繁忙或电话未在使用中。相反，当手柄被提起时，switch hook被解除激活，表示用户希望拨打或接听电话。这个机制在传统的固定电话和现代VoIP系统中都是基础，因为它有效管理通话状态。此外，switch hook在呼叫等待和三方通话等功能中也发挥着作用。例如，当用户已经在线时，第二个电话打进来，switch hook允许用户通过短暂按压钩子在通话之间切换。这一功能展示了一个看似简单的组件如何通过提供更多的通话控制显著提升用户体验。历史上，switch hook随着电话技术的发展而演变。在电话早期，switch hook是一个机械装置，需要物理互动来改变线路的状态。随着技术的进步，电子和数字系统取代了这些机械组件，使得更复杂的功能和更高的可靠性成为可能。尽管这些进步，switch hook的基本原理保持不变：它是建立和终止通信的关键元素。理解switch hook也阐明了电信的更广泛背景。随着社会越来越依赖即时通信，像switch hook这样的系统的效率变得更加重要。它提醒我们技术与人类互动之间的复杂相互作用，突显出一个领域的进步如何导致另一个领域的改进。总之，switch hook是电话系统的基本组成部分，通过管理通话状态来促进通信。它从机械设备到电子组件的演变反映了多年来技术的进步。通过掌握switch hook的重要性，我们可以更深入地欣赏电信的复杂性以及不断塑造我们沟通格局的创新。随着我们迈向一个日益数字化的时代，理解这些组件将对导航和利用连接我们所有人的技术至关重要。