narrow beam

简明释义

窄波束

英英释义

例句

1.The searchlight cast a narrow beam that illuminated the dark forest.

探照灯投射出一束窄光束，照亮了黑暗的森林。

2.The lighthouse emitted a narrow beam of light, guiding ships safely to shore.

灯塔发出一束窄光束，安全地引导船只靠岸。

3.In the presentation, she used a pointer with a narrow beam to highlight key points on the screen.

在演示中，她使用一个带有窄光束的指示器来突出屏幕上的重点。

4.Astronomers use telescopes with a narrow beam to observe distant stars.

天文学家使用具有窄光束的望远镜观察遥远的星星。

5.Using a narrow beam laser, the technician was able to make precise cuts in the material.

技术人员使用窄光束激光，能够在材料上进行精确切割。

作文

In the realm of physics and engineering, the concept of a narrow beam is often discussed in relation to light, sound, and other forms of energy transmission. A narrow beam refers to a focused stream of energy that is concentrated in a specific direction, rather than being dispersed over a wide area. This phenomenon can be observed in various applications, from laser technology to communication systems. For instance, lasers utilize the principle of a narrow beam to deliver concentrated energy for cutting materials or for medical procedures. The precision of a laser is attributed to its ability to maintain a narrow beam, allowing it to target specific areas without affecting the surrounding tissue. This characteristic is crucial in surgeries where minimal damage to adjacent structures is desired. Similarly, in the field of telecommunications, a narrow beam is essential for achieving high data rates over long distances. Antennas designed to emit a narrow beam can focus signals more effectively, resulting in improved signal strength and reduced interference. This is particularly important in satellite communications, where a narrow beam can ensure that the signal reaches its intended destination without significant loss of quality. The advantages of utilizing a narrow beam are numerous. For one, it enhances efficiency by minimizing energy waste. When energy is concentrated in a narrow beam, less power is required to achieve the desired effect, leading to cost savings and more sustainable practices. Additionally, the focused nature of a narrow beam allows for greater control over the energy's interaction with materials, which is vital in many industrial processes. However, there are challenges associated with the use of a narrow beam. One significant issue is the potential for damage when the energy concentration is too high. In laser applications, for example, if the narrow beam is not carefully controlled, it can lead to unintended consequences, such as burns or structural failure in materials. Therefore, safety measures and precise calibration are essential to mitigate these risks. Moreover, the effectiveness of a narrow beam can be influenced by environmental factors. Atmospheric conditions, such as fog or rain, can scatter light and diminish the clarity of a narrow beam, impacting its performance in real-world applications. Engineers and scientists must continuously develop techniques to overcome these challenges, ensuring that the advantages of a narrow beam can be fully realized. In conclusion, the concept of a narrow beam plays a pivotal role in various scientific and technological fields. Its ability to concentrate energy in a specific direction opens up a world of possibilities, from medical advancements to improved communication systems. As we continue to explore and harness the power of a narrow beam, it is essential to remain mindful of the challenges it presents, striving for innovation while ensuring safety and efficacy in its applications.

在物理和工程领域，narrow beam（窄束）这一概念常常与光、声和其他形式的能量传输相关讨论。narrow beam（窄束）指的是集中在特定方向的能量流，而不是分散在广泛的区域。这一现象可以在激光技术到通信系统等各种应用中观察到。例如，激光利用narrow beam（窄束）的原理来提供集中能量，以切割材料或进行医疗程序。激光的精确性归因于其保持narrow beam（窄束）的能力，使其能够针对特定区域，而不影响周围组织。这一特性在需要最小化对相邻结构损伤的手术中至关重要。同样，在电信领域，narrow beam（窄束）对于实现长距离高数据率至关重要。设计为发射narrow beam（窄束）的天线可以更有效地集中信号，从而提高信号强度并减少干扰。这在卫星通信中尤为重要，在那里，narrow beam（窄束）可以确保信号以优质的方式到达预定目的地。利用narrow beam（窄束）的优势是众多的。首先，它通过最小化能量浪费来提高效率。当能量集中在narrow beam（窄束）中时，所需的功率较少，从而节省成本并实现更可持续的实践。此外，narrow beam（窄束）的集中特性允许更好地控制能量与材料的相互作用，这在许多工业过程中至关重要。然而，使用narrow beam（窄束）也面临挑战。一个重大问题是当能量浓度过高时可能造成的损害。在激光应用中，例如，如果narrow beam（窄束）未能得到仔细控制，可能会导致意想不到的后果，如烧伤或材料结构失效。因此，实施安全措施和精确校准对于减轻这些风险至关重要。此外，环境因素也会影响narrow beam（窄束）的有效性。大气条件，如雾或雨，会散射光线并降低narrow beam（窄束）的清晰度，影响其在实际应用中的性能。工程师和科学家必须不断开发技术来克服这些挑战，确保narrow beam（窄束）的优势能够得到充分实现。总之，narrow beam（窄束）概念在各种科学和技术领域中发挥着关键作用。它将能量集中在特定方向的能力打开了一个可能性的新世界，从医学进步到改进的通信系统。随着我们继续探索和利用narrow beam（窄束）的力量，保持对其所带来的挑战的关注是至关重要的，努力在创新的同时确保其应用的安全性和有效性。