open wire

简明释义

明线

英英释义

A wire that is not connected to a circuit or device, often left exposed or uninsulated.

未连接到电路或设备的电线,通常暴露或未绝缘。

A term used in telecommunications to describe a physical connection that is not currently being utilized.

在电信中用来描述当前未被利用的物理连接的术语。

例句

1.During the inspection, we found an open wire that posed a safety hazard.

在检查过程中,我们发现了一根裸露的电线,构成了安全隐患。

2.The contractor was fined for leaving an open wire exposed on the construction site.

承包商因在施工现场留下裸露的电线而被罚款。

3.An open wire can easily lead to short circuits and electrical fires.

裸露的电线很容易导致短路和电气火灾。

4.He carefully avoided touching the open wire while fixing the electrical panel.

在修理电气面板时,他小心翼翼地避免触碰到那根裸露的电线

5.The technician discovered an open wire in the circuit that caused the device to malfunction.

技术人员发现电路中有一根裸露的电线,导致设备故障。

作文

In the world of telecommunications and electrical engineering, the term open wire refers to a type of transmission line that consists of two parallel conductors suspended in the air. This method of transmission has been used for many years and is still relevant in certain applications today. The concept of open wire can be traced back to the early days of telegraphy, when wires were strung between poles to carry messages over long distances. While technology has advanced significantly since then, the basic principles of open wire remain the same.One of the main advantages of using open wire systems is their simplicity. Unlike coaxial cables or fiber optics, which require complex manufacturing processes and materials, open wire can be created with relatively inexpensive materials. This makes it an attractive option for rural areas where budget constraints are a significant concern. Additionally, open wire lines are easier to repair and maintain because they are accessible and visible, allowing technicians to quickly identify and fix issues.However, there are also disadvantages to using open wire systems. They are more susceptible to environmental factors such as wind, rain, and ice, which can cause the wires to sag or break. Moreover, open wire lines can pick up electromagnetic interference from nearby sources, leading to signal degradation. As a result, while open wire may be suitable for some applications, it is not always the best choice for high-capacity or high-speed data transmission.Despite these challenges, open wire remains an important part of the telecommunications landscape. It is often used in rural telephone lines, where the cost of installation and maintenance is a primary concern. Furthermore, advancements in technology have led to improved designs and materials that enhance the performance of open wire systems. For instance, modern open wire installations may use insulated conductors to reduce the risk of short circuits and improve durability.In conclusion, the term open wire encapsulates a significant aspect of electrical transmission that has evolved over time. While it may not be the most advanced technology available today, its simplicity and cost-effectiveness make it a viable option in specific situations. Understanding the benefits and limitations of open wire is essential for anyone working in the field of telecommunications or electrical engineering. As we continue to innovate and improve our communication systems, the legacy of open wire will undoubtedly influence future developments in the industry.

在电信和电气工程领域,术语open wire指的是一种由两根平行导体悬挂在空中组成的传输线。这种传输方式已经使用了很多年,并且在某些应用中仍然相关。open wire的概念可以追溯到电报早期,当时电线被拉在电线杆之间,以便将信息传送到远处。虽然技术自那时以来已经显著进步,但open wire的基本原理仍然保持不变。使用open wire系统的主要优点之一是它的简单性。与需要复杂制造工艺和材料的同轴电缆或光纤不同,open wire可以用相对便宜的材料制作。这使得它成为预算有限的农村地区的一个吸引人的选择。此外,open wire线路更容易维修和维护,因为它们是可接触和可见的,使技术人员能够快速识别和修复问题。然而,使用open wire系统也有缺点。它们更容易受到环境因素的影响,如风、雨和冰,这可能导致电线下垂或断裂。此外,open wire线路可能会受到附近源的电磁干扰,从而导致信号衰减。因此,虽然open wire可能适合某些应用,但并不总是高容量或高速数据传输的最佳选择。尽管面临这些挑战,open wire仍然是电信领域的重要组成部分。它通常用于农村电话线路,在这些地方,安装和维护的成本是主要关切。此外,技术的进步导致了改善设计和材料,从而增强了open wire系统的性能。例如,现代的open wire安装可能使用绝缘导体,以减少短路风险并提高耐用性。总之,术语open wire概括了一个随着时间演变而重要的电气传输方面。虽然它可能不是今天可用的最先进技术,但其简单性和成本效益使其在特定情况下成为可行的选择。理解open wire的优缺点是任何在电信或电气工程领域工作的人都必须掌握的知识。随着我们继续创新和改善我们的通信系统,open wire的遗产无疑将影响该行业未来的发展。

相关单词

wire

wire详解:怎么读、什么意思、用法