dioptric lighthouse

简明释义

折射光灯塔

英英释义

例句

1.The coastal town built a new dioptric lighthouse to help ships navigate through the rocky waters.

这个沿海小镇建造了一座新的折射灯塔，以帮助船只在险礁水域中航行。

2.Mariners rely on the guidance of the dioptric lighthouse during foggy conditions.

在雾天，海员依靠折射灯塔的指引。

3.Many dioptric lighthouses use modern technology to improve visibility.

许多折射灯塔使用现代技术来提高可见性。

4.The dioptric lighthouse emits a series of flashes that can be seen from miles away.

这座折射灯塔发出一系列闪光，可以从几英里外看到。

5.The design of the dioptric lighthouse allows for a more powerful beam of light.

这座折射灯塔的设计允许发出更强的光束。

作文

The concept of a dioptric lighthouse is fascinating and crucial in the realm of maritime navigation. A dioptric lighthouse refers to a type of lighthouse that employs lenses to focus and amplify light, making it visible from great distances. This technology has significantly improved the safety of sea travel by guiding ships away from treacherous waters and towards safe harbors. The invention of the dioptric lighthouse marked a turning point in the history of navigation, as it allowed for more reliable and precise guidance at sea.Historically, lighthouses have served as beacons for sailors, but the introduction of dioptric systems revolutionized their functionality. Traditional lighthouses often used simple flames or unrefined light sources, which could be difficult to see in poor weather conditions or at long ranges. However, with the advent of the dioptric lighthouse, the use of carefully crafted glass lenses enabled the projection of light in a concentrated beam. This advancement not only increased visibility but also allowed for the creation of distinctive light patterns, helping sailors identify specific lighthouses even in challenging conditions.The design of a dioptric lighthouse involves complex engineering principles. The primary component is the lens, typically made of glass and shaped to bend and focus light effectively. The most famous type of lens used in these lighthouses is the Fresnel lens, invented by Augustin-Jean Fresnel in the early 19th century. This innovative lens design reduces the amount of glass required while still providing powerful illumination. The Fresnel lens consists of concentric rings that allow light to be directed outward, forming a strong beam that can travel for miles across the water.In addition to their practical applications, dioptric lighthouses hold historical and cultural significance. Many of these structures have become iconic landmarks along coastlines, representing both technological progress and the human endeavor to conquer the seas. They often attract tourists and history enthusiasts who appreciate their architectural beauty and the stories they tell about maritime exploration and safety.Moreover, the role of dioptric lighthouses has evolved with advancements in technology. While modern navigation systems, such as GPS, have diminished the reliance on lighthouses, they still play an essential role in coastal safety. Many coastal regions continue to maintain their dioptric lighthouses as part of heritage preservation efforts, recognizing their importance not just as navigational aids but also as symbols of maritime history.In conclusion, the dioptric lighthouse represents a remarkable achievement in the field of navigation. Its use of advanced lens technology has transformed how sailors navigate the seas, ensuring safer passage through hazardous waters. As we move forward into an increasingly digital age, it is vital to remember and preserve the legacy of the dioptric lighthouse, a testament to human ingenuity and the enduring quest for safety at sea.

“折射灯塔”的概念在海洋导航领域中既令人着迷又至关重要。“折射灯塔”是指一种利用透镜聚焦和放大光线的灯塔，使其在很远的距离内可见。这项技术显著提高了海上旅行的安全性，通过引导船只远离危险水域并驶向安全港口。“折射灯塔”的发明标志着导航历史的一个转折点，因为它使海上航行的指导变得更加可靠和精确。从历史上看，灯塔一直为水手提供指引，但折射系统的引入彻底改变了它们的功能。传统的灯塔通常使用简单的火焰或未经精炼的光源，在恶劣天气条件下或远距离时可能难以看见。然而，随着“折射灯塔”的出现，精心制作的玻璃透镜的使用使得光线能够以集中束的形式投射。这一进步不仅增加了可见性，还允许创建独特的光模式，帮助水手在困难条件下识别特定的灯塔。“折射灯塔”的设计涉及复杂的工程原理。其主要组成部分是透镜，通常由玻璃制成，并且形状设计用于有效地弯曲和聚焦光线。在这些灯塔中，最著名的透镜类型是弗涅尔透镜，这种透镜是由奥古斯丁-让·弗涅尔在19世纪初发明的。这种创新的透镜设计减少了所需玻璃的数量，同时仍然提供强大的照明。弗涅尔透镜由同心环组成，允许光线向外传播，形成可以穿越水面数英里的强光束。除了实用应用外，“折射灯塔”还具有历史和文化意义。许多这样的结构已成为沿海的标志性地标，代表了技术进步和人类征服海洋的努力。它们常常吸引游客和历史爱好者，欣赏它们的建筑美和讲述的关于海洋探索与安全的故事。此外，随着技术的进步，“折射灯塔”的角色也发生了变化。虽然现代导航系统，如GPS，减少了对灯塔的依赖，但它们在沿海安全中仍然发挥着重要作用。许多沿海地区继续维护它们的“折射灯塔”，作为遗产保护工作的一部分，认识到它们不仅作为导航辅助工具的重要性，同时也是海洋历史的象征。总之，“折射灯塔”代表了导航领域的一项显著成就。其利用先进透镜技术的方式改变了水手在海上航行的方式，确保了通过危险水域的安全通行。随着我们进入一个日益数字化的时代，记住和保护“折射灯塔”的遗产至关重要，它是人类智慧和对海上安全的持久追求的证明。