sextant sighting window
简明释义
六分仪瞄准孔
英英释义
A sextant sighting window is an opening or lens on a sextant, allowing the user to view the celestial body being measured against the horizon. | 六分仪的视线窗口是六分仪上的一个开口或透镜,允许用户观察被测量的天体与地平线的对比。 |
例句
1.The sextant sighting window allows for precise alignment with celestial bodies.
六分仪瞄准窗允许与天体进行精确对齐。
2.The navigator adjusted the sextant sighting window to get a clearer view of the stars.
导航员调整了六分仪瞄准窗以更清晰地观察星星。
3.To ensure accurate readings, the sailor checked the sextant sighting window for any obstructions.
为了确保读数准确,水手检查了六分仪瞄准窗是否有任何障碍物。
4.During the night watch, he often relied on the sextant sighting window to navigate.
在夜间值班时,他常常依赖六分仪瞄准窗进行导航。
5.She cleaned the sextant sighting window to eliminate any fog that could affect her measurements.
她清洁了六分仪瞄准窗,以消除可能影响测量的雾气。
作文
The sextant is an essential tool in navigation, particularly for maritime explorers and aviators. Among its various components, the sextant sighting window plays a crucial role in determining the position of a vessel or an aircraft relative to celestial bodies. This small, yet significant, feature allows navigators to take accurate measurements of angles between the horizon and a celestial object, such as the sun or stars. Understanding how to properly use the sextant sighting window is fundamental to achieving precise navigation results.To grasp the importance of the sextant sighting window, one must first understand the basic functionality of a sextant. The sextant operates on the principle of triangulation, using the known positions of celestial bodies to calculate one's own position. When a navigator looks through the sextant sighting window, they can see both the horizon and the celestial body simultaneously. This dual view is critical, as it allows for accurate alignment and measurement.The process begins when the navigator adjusts the sextant to bring the celestial object into view through the sextant sighting window. By moving the arm of the sextant, the navigator can align the image of the celestial body with the horizon line seen through the window. This alignment is vital because even a slight deviation can lead to significant errors in navigation. Once the objects are aligned, the navigator can read the angle from the scale on the sextant, which can then be used in conjunction with nautical charts to determine their geographical location.Moreover, the sextant sighting window is designed to minimize distortions and reflections, ensuring that the navigator has a clear and unobstructed view. This clarity is essential for making precise measurements, especially in challenging weather conditions where visibility may be compromised. A well-maintained sextant, with a clean and scratch-free sextant sighting window, is therefore a navigator's best ally.In addition to its practical applications, the sextant sighting window also symbolizes the blend of science and art in navigation. The skill required to effectively use a sextant involves not only understanding the mechanics of the instrument but also developing a keen eye for detail and a deep knowledge of celestial navigation principles. This combination of technical proficiency and artistic intuition is what sets experienced navigators apart from novices.As technology continues to advance, many modern navigators rely on GPS and other electronic systems for positioning. However, the traditional skills associated with celestial navigation, including the use of the sextant and its sextant sighting window, remain invaluable. In situations where electronic systems fail or are unavailable, the ability to navigate by the stars becomes a critical survival skill.In conclusion, the sextant sighting window is more than just a component of a navigational tool; it represents the essence of exploration and discovery. By mastering the use of the sextant and understanding the significance of the sextant sighting window, navigators connect with centuries of maritime history and tradition. Whether on the open sea or in the skies above, the sextant remains a testament to human ingenuity and the quest for knowledge.
六分仪是导航中一个重要的工具,尤其对于海洋探险者和飞行员而言。在它的各个组成部分中,sextant sighting window(六分仪视线窗口)在确定船只或飞机相对于天体的位置时起着至关重要的作用。这个小而重要的部件使导航员能够准确测量地平线与天体之间的角度,例如太阳或星星。理解如何正确使用sextant sighting window对于获得精确的导航结果至关重要。要理解sextant sighting window的重要性,首先必须了解六分仪的基本功能。六分仪的工作原理基于三角测量,利用已知天体的位置来计算自身的位置。当导航员透过sextant sighting window观察时,他们可以同时看到地平线和天体。这种双重视角至关重要,因为它允许进行准确的对齐和测量。这个过程始于导航员调整六分仪,使天体通过sextant sighting window进入视野。通过移动六分仪的臂,导航员可以将天体的影像与通过窗口看到的地平线对齐。这种对齐至关重要,因为即使是轻微的偏差也可能导致导航中的重大错误。一旦物体对齐,导航员就可以从六分仪的刻度上读取角度,然后结合海图来确定他们的地理位置。此外,sextant sighting window的设计旨在最小化畸变和反射,确保导航员拥有清晰且无遮挡的视野。这种清晰度对于在挑战性的天气条件下进行精确测量尤为重要,因为在这种情况下能见度可能受到影响。因此,一台保养良好的六分仪,其sextant sighting window干净且无划痕,将成为导航员最好的盟友。除了其实际应用外,sextant sighting window还象征着科学与艺术在导航中的融合。有效使用六分仪所需的技能不仅包括理解仪器的机械原理,还需要培养敏锐的观察力以及对天文导航原理的深刻理解。这种技术熟练度与艺术直觉的结合,使得经验丰富的导航员与新手之间形成了鲜明的对比。随着科技的不断进步,许多现代导航员依赖GPS和其他电子系统进行定位。然而,与天文导航相关的传统技能,包括使用六分仪和其sextant sighting window,仍然是无价之宝。在电子系统失效或不可用的情况下,按星星导航的能力便成为一种关键的生存技能。总之,sextant sighting window不仅仅是导航工具的一个组成部分;它代表了探索和发现的本质。通过掌握六分仪的使用并理解sextant sighting window的重要性,导航员与数世纪的海洋历史和传统相连接。无论是在公海还是在空中,六分仪都是人类智慧和知识追求的见证。
相关单词