local apparent noon
简明释义
地方视午
英英释义
Local apparent noon is the time of day when the sun reaches its highest point in the sky for a specific location, usually measured by the local solar time. | 地方视中午是指太阳在特定地点达到天空最高点的时间,通常以当地太阳时间来测量。 |
例句
1.Sailors often use local apparent noon to determine their longitude while at sea.
海员们常常利用地方显性中午来确定他们在海上的经度。
2.To accurately set your watch, you can observe the sun at local apparent noon.
为了准确设置手表,你可以在地方显性中午观察太阳。
3.Astronomers calculate local apparent noon to help with their celestial observations.
天文学家计算地方显性中午以帮助进行天文观测。
4.The sun is at its highest point in the sky during local apparent noon, which occurs when the sun crosses the local meridian.
在地方显性中午时,太阳在天空中的最高点,此时太阳穿过当地子午线。
5.The concept of local apparent noon is crucial for understanding solar time.
理解太阳时间时,地方显性中午的概念至关重要。
作文
Understanding the concept of local apparent noon is essential for grasping how time and the position of the sun affect our daily lives. The term refers to the moment when the sun reaches its highest point in the sky relative to an observer's local position. This phenomenon occurs at different times depending on one’s geographical location and the time of year. In essence, local apparent noon is not necessarily at 12:00 PM on the clock but is instead determined by solar time, which can vary based on several factors including the equation of time and the observer's longitude.For many, the idea of noon is straightforward; it is simply the middle of the day when we typically take a break for lunch or engage in other activities. However, the reality is more complex. The Earth rotates on its axis and orbits around the sun, causing variations in the sun's position in the sky throughout the year. As a result, the time of local apparent noon can shift, sometimes occurring several minutes before or after noon as per the clock. This discrepancy can lead to confusion, especially for those relying on solar time for agricultural or navigational purposes.The significance of local apparent noon extends beyond mere curiosity; it has practical applications in various fields. For instance, sailors and aviators must account for the sun's position when navigating, as accurate timekeeping is crucial for determining latitude and longitude. Furthermore, farmers utilize this knowledge to optimize planting and harvesting times, ensuring that crops receive adequate sunlight.In addition to its practical implications, understanding local apparent noon encourages a deeper appreciation for the natural rhythms of our planet. It reminds us that our daily schedules are influenced by celestial movements, and it fosters a connection to the environment. By observing the sun's path across the sky, individuals can gain insight into the changing seasons and the passage of time.Moreover, with advancements in technology, we now have access to precise tools that can calculate local apparent noon for any given location. Apps and websites provide real-time data, allowing users to plan their activities around the sun’s position. This accessibility empowers people to make informed decisions about when to engage in outdoor activities, whether it be hiking, gardening, or simply enjoying a picnic.In conclusion, the concept of local apparent noon is a fascinating intersection of science, timekeeping, and our relationship with nature. By understanding this term, we can better navigate our lives in harmony with the rhythms of the Earth. It serves as a reminder that while clocks dictate our schedules, the sun ultimately governs the natural world. Embracing this knowledge allows us to live more thoughtfully and in tune with the environment around us.
理解地方表观正午的概念对于掌握时间和太阳的位置如何影响我们的日常生活至关重要。这个术语指的是太阳相对于观察者的本地位置达到其在天空中最高点的时刻。这种现象根据一个人的地理位置和季节而发生在不同的时间。实质上,地方表观正午并不一定是时钟上的12:00,而是由太阳时间决定的,这可能因多种因素而异,包括时间方程和观察者的经度。对于许多人来说,中午的概念是简单明了的;它只是一天中的中间时刻,我们通常会在这个时候休息吃午餐或进行其他活动。然而,现实要复杂得多。地球绕其轴自转并围绕太阳公转,导致太阳在天空中的位置在一年中不断变化。因此,地方表观正午的时间可能会偏移,有时会在时钟的正午之前或之后几分钟发生。这种差异可能会导致混淆,特别是对于依赖太阳时间进行农业或导航的人来说。地方表观正午的重要性超越了好奇心;它在多个领域具有实际应用。例如,水手和飞行员在导航时必须考虑太阳的位置,因为准确的计时对于确定纬度和经度至关重要。此外,农民利用这一知识来优化种植和收获时间,确保作物获得足够的阳光。除了其实际意义,理解地方表观正午还鼓励我们更深刻地欣赏我们星球的自然节奏。它提醒我们,我们的日常时间表受到天体运动的影响,并促进了与环境的联系。通过观察太阳在天空中的路径,个人可以深入了解季节的变化和时间的流逝。此外,随着科技的进步,我们现在可以使用精确的工具来计算任何给定位置的地方表观正午。应用程序和网站提供实时数据,使用户能够根据太阳的位置规划他们的活动。这种可达性使人们能够做出明智的决定,选择何时进行户外活动,无论是远足、园艺还是简单地享受野餐。总之,地方表观正午的概念是科学、计时和我们与自然关系的迷人交汇点。通过理解这个术语,我们可以更好地与地球的节奏和谐共处。它提醒我们,虽然时钟规定了我们的日程安排,但太阳最终支配着自然世界。拥抱这一知识使我们能够更加深思熟虑地生活,与周围的环境保持一致。
相关单词