low light sextant

简明释义

微光夜视六分仪

英英释义

例句

1.The sailor used the low light sextant to navigate during the night, ensuring they stayed on course.

水手在夜间使用低光照六分仪进行导航，确保他们保持在航线上。

2.With the help of a low light sextant, the crew was able to take accurate readings even in dim conditions.

借助低光照六分仪，船员们即使在昏暗的条件下也能进行准确的测量。

3.During the training session, we learned how to effectively use a low light sextant for celestial navigation.

在培训课程中，我们学习了如何有效地使用低光照六分仪进行天文导航。

4.The low light sextant proved invaluable when the ship's primary navigation system failed at night.

当船只的主导航系统在夜间失灵时，低光照六分仪变得不可或缺。

5.Using a low light sextant, the captain was able to determine their position even when the stars were barely visible.

船长使用低光照六分仪，即使星星几乎不可见，也能确定他们的位置。

作文

Navigating the vast oceans has always been a challenge for sailors, especially during the night or in conditions of poor visibility. Traditional navigational tools have served their purpose well over the years, but advancements in technology have led to the development of more specialized instruments. One such instrument is the low light sextant, which plays a crucial role in celestial navigation under dim lighting conditions. The low light sextant is designed to help navigators determine their position by measuring the angles between celestial bodies and the horizon, even when visibility is limited. This capability is essential for mariners who often find themselves at sea during twilight or cloudy nights when traditional sextants might fail to provide accurate readings.The significance of the low light sextant extends beyond mere convenience; it enhances safety at sea. In the past, sailors relied heavily on the sun's position during the day and stars at night to chart their course. However, when faced with low light situations, the risk of miscalculating one's position increases significantly. The low light sextant addresses this issue by incorporating advanced optics and illumination techniques that allow for precise measurements even in challenging conditions. This innovation not only aids in navigation but also instills confidence in sailors, knowing they have reliable tools at their disposal.Moreover, the low light sextant is beneficial for various types of maritime activities, including fishing, research expeditions, and recreational sailing. For instance, researchers studying marine life may need to navigate through poorly lit waters during nighttime hours. In such scenarios, the low light sextant proves invaluable, enabling them to reach their destinations safely while conducting important studies. Similarly, recreational sailors can enjoy their passion without the fear of losing their way when the sun sets.The design of the low light sextant is also noteworthy. It typically features enhanced light-gathering capabilities, allowing users to see celestial bodies more clearly. Some models are equipped with illuminated reticles, making it easier to take readings in low light environments. These advancements have made the low light sextant an indispensable tool for modern navigators who require accuracy and reliability in their instruments.In conclusion, the low light sextant represents a significant advancement in navigational technology, particularly for those operating in low visibility conditions. By combining traditional celestial navigation principles with modern innovations, it ensures that sailors can accurately determine their positions even when the light is not on their side. As we continue to explore the world's oceans, tools like the low light sextant will undoubtedly play a vital role in ensuring safe and efficient navigation, allowing adventurers to traverse the seas with confidence, regardless of the time of day or weather conditions.

在广阔的海洋中航行一直是水手们面临的挑战，尤其是在夜间或能见度较差的情况下。传统的导航工具多年来一直发挥着作用，但技术的进步导致了更专业仪器的发展。其中一种仪器就是低光照六分仪，它在昏暗光线条件下的天文导航中起着至关重要的作用。低光照六分仪旨在帮助导航员通过测量天体与地平线之间的角度来确定其位置，即使在能见度有限的情况下。这种能力对于那些经常在黄昏或多云夜晚出海的水手来说至关重要，因为传统六分仪在这种情况下可能无法提供准确的读数。低光照六分仪的重要性不仅仅体现在便利上；它还增强了海上的安全性。在过去，水手们在白天依赖太阳的位置，在夜间依赖星星来确定航向。然而，当面临低光照情况时，错误计算自身位置的风险显著增加。低光照六分仪通过结合先进的光学和照明技术来解决这个问题，使得即使在困难条件下也能进行精确测量。这一创新不仅有助于导航，还让水手们充满信心，知道他们拥有可靠的工具可供使用。此外，低光照六分仪对各种海洋活动也大有裨益，包括捕鱼、研究考察和休闲航行。例如，从事海洋生物研究的研究人员可能需要在夜间的昏暗水域中航行。在这种情况下，低光照六分仪证明是无价的，使他们能够安全抵达目的地，同时进行重要的研究。同样，休闲水手可以在日落后享受他们的热情，而不必担心迷失方向。低光照六分仪的设计也值得注意。它通常具有增强的聚光能力，使用户能够更清楚地看到天体。一些型号配备有照明十字线，使得在低光环境中更容易进行读数。这些进步使得低光照六分仪成为现代导航员不可或缺的工具，他们需要在仪器中获得准确性和可靠性。总之，低光照六分仪代表了导航技术的重大进步，特别是对于那些在能见度较低的条件下操作的人。通过将传统的天文导航原理与现代创新相结合，它确保水手们即使在光线不佳的情况下也能准确地确定自己的位置。当我们继续探索世界的海洋时，像低光照六分仪这样的工具无疑将在确保安全高效导航方面发挥至关重要的作用，使冒险者能够自信地穿越海洋，无论是白天还是夜晚，或天气条件如何。