navigating sextant

简明释义

航用六分仪

英英释义

A navigating sextant is a precision instrument used in celestial navigation to measure the angle between an astronomical object and the horizon, allowing navigators to determine their position at sea.

导航六分仪是一种精密仪器,用于天文导航,测量天体与地平线之间的角度,使导航员能够确定他们在海上的位置。

例句

1.The navigating sextant allowed explorers to chart unknown waters with confidence.

这个导航六分仪使探险者能够自信地绘制未知水域的航线。

2.In the absence of modern technology, the captain relied on a navigating sextant for accurate navigation.

在没有现代技术的情况下,船长依赖于导航六分仪进行精确导航。

3.Learning to read a navigating sextant is essential for aspiring navigators.

学习阅读导航六分仪对有志于成为导航员的人来说至关重要。

4.During the training, we practiced using a navigating sextant to measure the angle of the sun.

在训练中,我们练习使用导航六分仪测量太阳的角度。

5.The sailor skillfully used the navigating sextant to determine their position at sea.

水手熟练地使用导航六分仪来确定他们在海上的位置。

作文

The art of navigation has evolved significantly over the centuries. In ancient times, sailors relied on the stars and natural landmarks to guide their journeys across vast oceans. However, with the advent of more sophisticated tools, such as the navigating sextant (航海六分仪), navigation became more precise and reliable. The navigating sextant is an instrument that measures the angle between a celestial object and the horizon, allowing navigators to determine their latitude and longitude with remarkable accuracy.Understanding how to use a navigating sextant (航海六分仪) is essential for anyone interested in maritime exploration. The device consists of a graduated arc and a movable arm, called the index arm, which holds a sighting mechanism. By aligning the image of a celestial body, such as the sun or a star, with the horizon, navigators can take accurate readings. These readings are then compared with nautical tables to calculate the vessel's position on the globe.In modern times, while GPS technology has largely replaced traditional navigation methods, the navigating sextant (航海六分仪) still holds value. It serves as a backup system in case of electronic failure and is often used in maritime training programs. Learning to navigate using a sextant teaches sailors not only how to find their way but also instills a deeper appreciation for the sea and the skills required for navigation.Moreover, the navigating sextant (航海六分仪) symbolizes the spirit of exploration and adventure. It represents a time when human ingenuity and determination were paramount in overcoming the challenges of the open sea. The stories of explorers who ventured into uncharted waters with nothing but a sextant and their courage inspire generations to pursue their dreams, no matter how distant they may seem.In conclusion, the navigating sextant (航海六分仪) is not just a tool; it is a testament to the evolution of navigation and the relentless pursuit of knowledge. Understanding its function and significance allows us to appreciate the rich history of exploration and the importance of preserving traditional navigation techniques. As we move forward into an increasingly digital world, the lessons learned from the past can guide us in our future endeavors, reminding us that sometimes, the best way to navigate is to look up at the stars and trust in our own abilities.

相关单词

sextant

sextant详解:怎么读、什么意思、用法