diurnal arc

简明释义

周日弧

英英释义

例句

1.The sun's path across the sky, known as the diurnal arc (日行弧), changes with the seasons.

太阳在天空中的轨迹，称为diurnal arc（日行弧），随着季节的变化而变化。

2.The diurnal arc (日行弧) of the sun affects the growth patterns of plants.

太阳的diurnal arc（日行弧）影响植物的生长模式。

3.Photographers often consider the diurnal arc (日行弧) when planning outdoor shoots for optimal lighting.

摄影师在计划户外拍摄时常常考虑diurnal arc（日行弧）以获得最佳光线。

4.Astronomers study the diurnal arc (日行弧) to predict the position of stars at different times of the year.

天文学家研究diurnal arc（日行弧）以预测不同时间星星的位置。

5.Understanding the diurnal arc (日行弧) is essential for solar panel installation to maximize energy capture.

理解diurnal arc（日行弧）对于太阳能电池板的安装至关重要，以最大化能量捕获。

作文

The phenomenon of the sun's daily journey across the sky is a fascinating topic that has intrigued humanity for centuries. This movement is often referred to as the diurnal arc, which describes the path the sun takes from its rise in the east to its set in the west. Understanding the diurnal arc can provide insights into various aspects of our natural world, including timekeeping, climate, and even agriculture. To begin with, the diurnal arc is not just a simple line drawn across the sky; it varies depending on several factors such as geographical location, the time of year, and the tilt of the Earth's axis. For example, at the equator, the sun rises almost directly in the east and sets almost directly in the west, creating a relatively short and steep diurnal arc. In contrast, at higher latitudes, especially during the summer months, the sun traces a longer and shallower diurnal arc, resulting in prolonged daylight hours. This variation significantly impacts the climate and ecosystems of different regions.Moreover, the diurnal arc plays a crucial role in our understanding of time. Ancient civilizations relied heavily on the sun's position in the sky to create sundials, which were among the first devices used for measuring time. The shadow cast by the gnomon, or the upright part of the sundial, would move along a marked surface, indicating the hour based on the sun’s diurnal arc. Even today, we can observe the remnants of these ancient practices, as many cultures still celebrate the solstices and equinoxes, events that are directly related to the sun’s path.In agriculture, farmers have learned to harness the knowledge of the diurnal arc to optimize their planting and harvesting schedules. By understanding when the sun is at its highest point in the sky, they can determine the best times for irrigation and crop management. Additionally, the diurnal arc influences the growth patterns of plants, as they tend to grow towards the sunlight throughout the day. This behavior, known as phototropism, is essential for maximizing photosynthesis and overall plant health.Furthermore, the diurnal arc also affects human behavior and daily routines. Many people adjust their activities according to the sun's position, leading to a natural rhythm that aligns with the rising and setting of the sun. This connection to the diurnal arc can be seen in our sleep patterns, meal times, and social interactions. As modern society becomes increasingly urbanized and technology-driven, it is essential to remember the fundamental role that the sun's diurnal arc plays in our lives.In conclusion, the diurnal arc is more than just an astronomical term; it is a representation of the intricate relationship between the sun, the Earth, and all living beings. By studying and understanding this concept, we can gain valuable insights into timekeeping, agriculture, and the natural rhythms of life. As we continue to explore the mysteries of our universe, the diurnal arc serves as a reminder of the beauty and complexity of the world around us.

太阳在天空中的日常运动是一个迷人的话题，几个世纪以来一直吸引着人类的兴趣。这种运动通常被称为diurnal arc，它描述了太阳从东边升起到西边落下的路径。理解diurnal arc可以为我们提供关于自然界各个方面的见解，包括计时、气候，甚至农业。首先，diurnal arc不仅仅是天空中画的一条简单的线；它因地理位置、季节和地球轴倾斜等多个因素而变化。例如，在赤道，太阳几乎直接从东边升起，直接向西边落下，形成相对较短且陡峭的diurnal arc。相比之下，在更高纬度，尤其是在夏季，太阳描绘出一个更长、更平缓的diurnal arc，导致白昼时间延长。这种变化显著影响了不同地区的气候和生态系统。此外，diurnal arc在我们理解时间方面也发挥着至关重要的作用。古代文明在很大程度上依赖于太阳在天空中的位置来制作日晷，这些是用于测量时间的第一批设备之一。日晷中指示小时的影子会随着diurnal arc的变化而移动，指示出时间。即使在今天，我们仍然可以观察到这些古老实践的遗迹，因为许多文化仍然庆祝冬至和夏至，这些事件与太阳的路径直接相关。在农业方面，农民学会利用diurnal arc的知识来优化他们的种植和收获时间表。通过了解太阳在天空中的最高点，他们可以确定最佳的灌溉和作物管理时间。此外，diurnal arc影响植物的生长模式，因为植物往往会在一天中朝向阳光生长。这种行为被称为向光性，对于最大化光合作用和整体植物健康至关重要。此外，diurnal arc还影响人类的行为和日常生活。许多人根据太阳的位置调整他们的活动，从而形成一种与日出日落相一致的自然节奏。这种与diurnal arc的联系可以在我们的睡眠模式、用餐时间和社交互动中看到。随着现代社会越来越城市化和技术驱动，记住太阳的diurnal arc在我们生活中所发挥的基本作用是至关重要的。总之，diurnal arc不仅仅是一个天文学术语；它是太阳、地球和所有生物之间复杂关系的体现。通过研究和理解这一概念，我们可以获得有关计时、农业和生活自然节奏的宝贵见解。随着我们继续探索宇宙的奥秘，diurnal arc提醒我们周围世界的美丽与复杂。