prime vertical

简明释义

东西圈

英英释义

例句

1.Sailors often use the prime vertical to determine their latitude at sea.

水手们常常使用本初子午线来确定他们在海上的纬度。

2.During the navigation class, we learned how to calculate angles using the prime vertical as a reference.

在导航课上，我们学习了如何使用本初子午线作为参考来计算角度。

3.The concept of the prime vertical is essential for understanding celestial navigation.

理解天体导航时，本初子午线的概念是必不可少的。

4.The astronomer noted the position of the stars relative to the prime vertical.

天文学家记录了星星相对于本初子午线的位置。

5.In the diagram, the prime vertical is represented as a vertical line through the zenith.

在图中，本初子午线被表示为通过天顶的垂直线。

作文

The concept of the prime vertical is crucial in the field of astronomy and navigation. It refers to the great circle that is perpendicular to the horizon at a given location on Earth. This circle runs from the north point on the horizon, through the zenith (the point directly above), to the south point on the horizon. Understanding the prime vertical is essential for astronomers who need to calculate the positions of celestial bodies accurately. By knowing the orientation of the prime vertical, they can determine the altitude and azimuth of stars and planets, which are vital for navigation and timekeeping.In practical terms, when an observer looks at the sky, the prime vertical acts as a reference line. It helps in mapping the celestial sphere onto the observer's local horizon. For instance, if an astronomer wants to track a star's movement across the sky, they can use the prime vertical to identify when the star will be at its highest point, known as culmination. This occurs when the star crosses the prime vertical, making it a significant moment for observation.Moreover, the prime vertical plays a vital role in the development of various navigational tools. Sailors and aviators rely on accurate measurements of celestial objects to determine their position on Earth. By using instruments like sextants and theodolites, they can measure angles relative to the prime vertical to establish their latitude and longitude. This practice has been essential for maritime exploration and aviation for centuries.The significance of the prime vertical extends beyond navigation and astronomy. It also has applications in fields such as architecture and land surveying. Architects may consider the prime vertical when designing buildings to ensure they align with the cardinal directions. This alignment can affect natural lighting within the structure, enhancing energy efficiency and aesthetic appeal. Similarly, land surveyors use the prime vertical to create accurate maps and property boundaries, ensuring that developments comply with zoning laws and regulations.In conclusion, the prime vertical is more than just a theoretical concept; it is a practical tool that has influenced various disciplines throughout history. Its importance in astronomy, navigation, architecture, and surveying cannot be overstated. As technology continues to advance, the understanding of the prime vertical will remain relevant, providing a foundation for future explorations and innovations in these fields. Therefore, it is essential for students and professionals alike to grasp the implications of the prime vertical and its applications in both scientific and everyday contexts.

“主垂直线”的概念在天文学和导航领域至关重要。它指的是在地球上某一特定位置与地平线垂直的伟大圆圈。这个圆圈从地平线的北点开始，经过天顶（直接在上方的点），到达地平线的南点。理解“主垂直线”对于天文学家准确计算天体的位置至关重要。通过了解“主垂直线”的方向，他们可以确定星星和行星的高度和方位，这对于导航和计时至关重要。在实际应用中，当观察者仰望天空时，“主垂直线”充当参考线。它帮助将天球映射到观察者的本地地平线上。例如，如果天文学家想要跟踪一颗星星在天空中的运动，他们可以利用“主垂直线”来识别星星何时达到其最高点，即极大值。当星星穿过“主垂直线”时，这一时刻对观察来说非常重要。此外，“主垂直线”在各种导航工具的发展中也起着重要作用。水手和飞行员依赖于精确的天体测量来确定他们在地球上的位置。通过使用六分仪和测量仪等仪器，他们可以测量相对于“主垂直线”的角度，以建立他们的纬度和经度。这种做法在几个世纪以来一直是海洋探险和航空的基础。“主垂直线”的重要性超越了导航和天文学。它在建筑和土地测量等领域也有应用。建筑师在设计建筑时可能会考虑“主垂直线”，以确保它们与基本方向对齐。这种对齐可以影响建筑内部的自然采光，提高能源效率和美学吸引力。同样，土地测量师利用“主垂直线”创建准确的地图和财产边界，确保开发符合区域法律和法规。总之，“主垂直线”不仅仅是一个理论概念；它是一个实用工具，影响着历史上多个学科。它在天文学、导航、建筑和测量中的重要性不容小觑。随着技术的不断进步，对“主垂直线”的理解仍然具有相关性，为这些领域未来的探索和创新奠定基础。因此，对于学生和专业人士来说，掌握“主垂直线”的含义及其在科学和日常生活中的应用是至关重要的。