circum meridian altitude

简明释义

沿子午线高度

英英释义

例句

1.To calculate latitude, astronomers often use the circum meridian altitude 子午线高度 of celestial bodies.

天文学家常常使用天体的circum meridian altitude 子午线高度来计算纬度。

2.The sailor adjusted the sextant to measure the circum meridian altitude 子午线高度 of the sun at noon.

水手调整了六分仪，以测量中午太阳的circum meridian altitude 子午线高度。

3.During the navigation class, we learned how to find the circum meridian altitude 子午线高度 of stars.

在航海课程中，我们学习了如何找到星星的circum meridian altitude 子午线高度。

4.In ancient times, navigators relied on the circum meridian altitude 子午线高度 of the sun for safe passage.

在古代，航海者依靠太阳的circum meridian altitude 子午线高度来确保安全通行。

5.The pilot checked the circum meridian altitude 子午线高度 of the moon to ensure accurate flight paths.

飞行员检查了月球的circum meridian altitude 子午线高度以确保航线的准确性。

作文

In the study of astronomy and navigation, understanding various terms is crucial for accurate measurements and observations. One such term is circum meridian altitude, which refers to the angle of an object in the sky above the horizon when it is at its highest point in the sky, specifically at the meridian. This concept is vital for navigators and astronomers alike, as it helps determine the position of celestial bodies. The circum meridian altitude is measured in degrees and is calculated based on the observer's latitude and the declination of the celestial object being observed. For instance, when observing the sun, the circum meridian altitude can help determine the time of day, as the sun reaches its highest point at solar noon. This measurement is not only important for timekeeping but also has implications for solar energy collection, agriculture, and even climate studies.To grasp the significance of circum meridian altitude, one must first understand the basic principles of celestial navigation. Navigators use the position of stars and other celestial bodies to determine their location on Earth. By measuring the circum meridian altitude of a star at its highest point, navigators can calculate their latitude with great accuracy. This method was widely used before the advent of modern GPS technology and remains a fundamental aspect of navigation training today.Additionally, the circum meridian altitude plays a critical role in astronomical observations. Astronomers need to know the altitude of celestial objects to make precise calculations and predictions about their movements. For example, knowing the circum meridian altitude of planets or stars allows astronomers to plan observations and ensure that telescopes are pointed in the right direction at the right time. This is particularly important for transient events, such as supernovae or comets, which may only be visible for a short period.Moreover, the circum meridian altitude has applications beyond navigation and astronomy. In the field of meteorology, understanding the altitude of the sun can help predict weather patterns and seasonal changes. For farmers, knowing the circum meridian altitude can inform planting and harvesting schedules, optimizing crop yields based on sunlight exposure. Similarly, architects and urban planners consider the circum meridian altitude when designing buildings to maximize natural light and energy efficiency.In conclusion, the term circum meridian altitude encompasses more than just a technical definition; it represents a fundamental concept that bridges various fields, including navigation, astronomy, meteorology, and agriculture. By mastering this term and its applications, individuals can enhance their understanding of the natural world and improve their practical skills in diverse disciplines. Whether one is navigating the seas, observing the stars, or planning the next agricultural season, the circum meridian altitude remains an essential element of our interaction with the universe.

在天文学和导航的研究中，理解各种术语对于准确的测量和观察至关重要。其中一个术语是circum meridian altitude，它指的是天体在天空中位于最高点时，相对于地平线的角度，特别是在子午线上。这个概念对导航员和天文学家都至关重要，因为它有助于确定天体的位置。circum meridian altitude以度数为单位进行测量，并根据观察者的纬度和被观察天体的赤纬进行计算。例如，在观察太阳时，circum meridian altitude可以帮助确定一天中的时间，因为太阳在太阳正午时达到最高点。这个测量不仅对计时重要，还有助于太阳能收集、农业甚至气候研究。要理解circum meridian altitude的重要性，首先必须了解天体导航的基本原理。导航员利用星星和其他天体的位置来确定他们在地球上的位置。通过测量某颗星星在其最高点的circum meridian altitude，导航员可以非常准确地计算出他们的纬度。这种方法在现代GPS技术出现之前被广泛使用，并且仍然是导航培训的基本方面。此外，circum meridian altitude在天文观测中也发挥着关键作用。天文学家需要知道天体的高度，以便进行精确的计算和预测它们的运动。例如，了解行星或恒星的circum meridian altitude可以帮助天文学家计划观察，确保望远镜在适当的时间指向正确的方向。这对于短暂事件（如超新星或彗星）尤其重要，因为它们可能只在短时间内可见。此外，circum meridian altitude在导航和天文学之外还有应用。在气象学领域，了解太阳的高度可以帮助预测天气模式和季节变化。对于农民来说，了解circum meridian altitude可以指导种植和收获时间表，从而根据阳光照射优化作物产量。同样，建筑师和城市规划者在设计建筑时也会考虑circum meridian altitude，以最大化自然光和能效。总之，术语circum meridian altitude不仅仅包含一个技术定义；它代表了一个基本概念，连接了多个领域，包括导航、天文学、气象学和农业。通过掌握这个术语及其应用，个人可以增强对自然世界的理解，提高在不同学科中的实践技能。无论是在海上航行、观察星星还是规划下一个农业季节，circum meridian altitude始终是我们与宇宙互动的重要元素。