sextant reading

简明释义

六分仪读数

英英释义

例句

1.The captain took a sextant reading to determine their exact position at sea.

船长进行了一次六分仪读数以确定他们在海上的确切位置。

2.The accuracy of a sextant reading can greatly affect the outcome of a sailing trip.

一次六分仪读数的准确性可以极大地影响航行旅行的结果。

3.After taking a sextant reading, the navigator confirmed their longitude and latitude.

在进行六分仪读数后，导航员确认了他们的经度和纬度。

4.The sailor checked the sextant reading against the charts to ensure they were on course.

水手将六分仪读数与航海图进行核对，以确保他们在正确的航线上。

5.During the navigation training, we learned how to make a sextant reading accurately.

在导航训练中，我们学习了如何准确地进行六分仪读数。

作文

Navigating the seas has always been a complex endeavor, requiring precision and skill. One of the most important tools in the history of maritime navigation is the sextant. A sextant is an instrument used to measure the angle between two visible objects, typically the horizon and a celestial body like the sun or a star. The process of taking a measurement with this instrument is referred to as a sextant reading. This term encapsulates not just the act of measuring, but also the knowledge and experience required to interpret the results accurately.Understanding how to take a sextant reading involves familiarity with both the tool and the principles of celestial navigation. Sailors must first ensure that the sextant is calibrated correctly. This means adjusting for any errors that may come from the instrument itself or from the observer's position. Once calibrated, the sailor can begin the process of taking a sextant reading by aligning the instrument with the horizon and the celestial body they wish to measure.The importance of a sextant reading cannot be overstated. In the era before GPS technology, sailors relied heavily on these measurements to determine their position at sea. A single accurate sextant reading could mean the difference between safely navigating to port or becoming lost at sea. Therefore, mastering this skill was essential for any sailor aiming to explore the vast oceans.Moreover, the ability to take a sextant reading is not just about technical skill; it also requires a deep understanding of astronomy. Sailors must know how to read nautical almanacs, which provide information about the positions of celestial bodies at various times. This knowledge allows them to calculate their latitude and longitude based on the sextant reading they have taken. Thus, the art of navigation becomes a blend of science, mathematics, and practical skill.In modern times, while technology has provided us with more advanced navigational tools, the principles behind a sextant reading remain relevant. Learning how to use a sextant can enhance a sailor's understanding of navigation and instill a greater appreciation for the skills of those who came before us. It serves as a reminder of the human ingenuity that has allowed us to traverse the globe.In conclusion, a sextant reading is not merely a measurement; it is a gateway into the rich history of navigation and exploration. It represents the intersection of technology, science, and human experience. By understanding how to take and interpret a sextant reading, we connect with the past and gain valuable skills that are applicable even in our technologically advanced world. As we continue to explore new frontiers, let us not forget the importance of mastering the fundamentals of navigation, as exemplified by the humble sextant.

航海一直是一项复杂的工作，要求精确和技巧。在海洋导航史上，最重要的工具之一就是六分仪。六分仪是一种用于测量两个可见物体之间角度的仪器，通常是地平线和天体（如太阳或星星）。使用该仪器进行测量的过程被称为六分仪读数。这个术语不仅包含了测量的行为，还包括了解和经验，以准确解释结果所需的知识。理解如何进行六分仪读数需要熟悉工具和天文导航的原理。水手首先必须确保六分仪正确校准。这意味着要调整来自仪器本身或观察者位置可能出现的任何误差。一旦校准完成，水手就可以开始通过将仪器与地平线和他们想要测量的天体对齐来进行六分仪读数。六分仪读数的重要性不容小觑。在GPS技术普及之前，水手非常依赖这些测量来确定他们在海上的位置。一次准确的六分仪读数可能意味着安全到达港口或迷失在海上的区别。因此，掌握这一技能对于任何希望探索广阔海洋的水手来说都是至关重要的。此外，进行六分仪读数的能力不仅仅是技术技能；它还需要对天文学有深入的理解。水手必须知道如何阅读航海年鉴，这些年鉴提供了有关天体在不同时间位置的信息。这一知识使他们能够根据所进行的六分仪读数计算自己的纬度和经度。因此，导航艺术成为科学、数学和实践技能的结合。在现代，虽然技术为我们提供了更先进的导航工具，但六分仪读数背后的原则仍然相关。学习如何使用六分仪可以增强水手对导航的理解，并培养对前人技能的更大欣赏。它提醒我们，人类的聪明才智使我们能够横渡全球。总之，六分仪读数不仅仅是一个测量；它是通向丰富的导航和探索历史的门户。它代表了技术、科学和人类经验的交集。通过理解如何进行和解释六分仪读数，我们与过去连接，并获得即使在我们技术先进的世界中也适用的宝贵技能。当我们继续探索新的边界时，让我们不要忘记掌握导航基础的重要性，正如谦逊的六分仪所体现的那样。