apparent horizon

简明释义

1. 视地平; 2. 视水平; 3. 站心地平;

英英释义

例句

1.During the hike, we reached a point where the apparent horizon seemed to stretch endlessly.

在徒步旅行中，我们到达一个点，明显地平线似乎延伸得无尽无尽。

2.In photography, capturing the apparent horizon can enhance the composition of the landscape.

在摄影中，捕捉明显地平线可以增强风景的构图。

3.The pilot used the apparent horizon as a reference for leveling the aircraft.

飞行员以明显地平线作为校准飞机水平的参考。

4.The sailor adjusted his sights to the apparent horizon to navigate the waters safely.

水手调整视线以便安全航行到明显地平线。

5.Astronomers often refer to the apparent horizon when discussing celestial observations.

天文学家在讨论天体观察时常常提到明显地平线。

作文

In the realm of astronomy and navigation, the term apparent horizon refers to the line where the earth's surface and the sky seem to meet from a specific viewpoint. This concept is crucial for various scientific disciplines, including geography, meteorology, and even photography. Understanding the apparent horizon allows us to comprehend how we perceive distances and the curvature of the Earth. When we stand on a flat surface, such as a beach or an open field, our eyes can only see so far before the Earth's curvature obstructs our view. The apparent horizon, therefore, represents the limit of our sight in a straight line. It is not the actual horizon, which is influenced by the Earth's shape and topography, but rather what we perceive based on our position and elevation. For instance, if one were to climb a hill, the apparent horizon would extend further away than it would at sea level, illustrating how our perspective changes with elevation. Moreover, the apparent horizon plays a significant role in navigation, particularly for sailors and aviators. By understanding the angle of the apparent horizon relative to their position, navigators can determine their latitude and longitude more accurately. This knowledge has been essential for explorers throughout history, enabling them to traverse vast oceans and discover new lands.In addition to its practical applications, the apparent horizon also has philosophical implications. It prompts us to consider the limitations of our perception and understanding. Just as the apparent horizon marks the boundary of our vision, it can symbolize the boundaries of our knowledge and experiences. What lies beyond that horizon may be unknown or unseen, representing the mysteries of life and the universe. Furthermore, the apparent horizon can be influenced by atmospheric conditions. Factors such as humidity, temperature, and light refraction can alter our perception of the horizon. For example, on a clear day, the apparent horizon appears sharp and well-defined, while on a foggy day, it may seem blurred and indistinct. This phenomenon teaches us that our perceptions are often shaped by external factors, reminding us of the importance of context in understanding the world around us. In conclusion, the concept of the apparent horizon transcends mere geographical terms; it encompasses aspects of perception, navigation, and philosophy. Whether we are gazing at the ocean or contemplating the limits of our knowledge, the apparent horizon serves as a reminder of both our capabilities and our limitations. It encourages us to explore beyond what we can see and to seek a deeper understanding of the world we inhabit. As we continue to push the boundaries of our exploration, let us remember the significance of the apparent horizon as both a physical and metaphorical concept, guiding us toward new discoveries and insights.

在天文学和导航领域，术语apparent horizon指的是从特定视点看，地球表面与天空似乎相遇的线。这一概念对于地理学、气象学甚至摄影等多个科学学科至关重要。理解apparent horizon使我们能够理解我们如何感知距离和地球的曲率。当我们站在平坦的表面上，比如海滩或开阔的田野时，我们的眼睛只能看到一定距离，之后地球的曲率会阻碍我们的视线。因此，apparent horizon代表了我们在直线视线中的视觉极限。它并不是实际的地平线，实际地平线受到地球形状和地形的影响，而是基于我们的立场和高度所感知的东西。例如，如果一个人攀登一座山丘，apparent horizon就会比在海平面时延伸得更远，这说明我们的视角随高度的变化而变化。此外，apparent horizon在导航中也扮演着重要角色，尤其是对水手和飞行员来说。通过理解apparent horizon相对于他们位置的角度，导航员可以更准确地确定他们的纬度和经度。这一知识在历史上对探险者至关重要，使他们能够跨越广阔的海洋，发现新土地。除了其实际应用外，apparent horizon还具有哲学意义。它促使我们思考我们感知和理解的局限性。正如apparent horizon标志着我们视野的边界，它可以象征着我们知识和经验的边界。那条地平线之外的东西可能是未知或未见的，代表着生活和宇宙的奥秘。此外，apparent horizon还会受到大气条件的影响。湿度、温度和光的折射等因素都可以改变我们对地平线的感知。例如，在晴朗的日子里，apparent horizon看起来清晰且轮廓分明，而在雾霭弥漫的日子里，它可能显得模糊不清。这种现象教会我们，我们的感知常常受到外部因素的影响，提醒我们理解周围世界时上下文的重要性。总之，apparent horizon的概念超越了单纯的地理术语；它包含了感知、导航和哲学的各个方面。无论我们是在凝视海洋还是思考我们知识的局限性，apparent horizon都提醒我们既有能力，也有局限性。它鼓励我们探索超出我们所能看到的东西，并寻求对我们所居住世界的更深理解。随着我们继续推动探索的边界，让我们记住apparent horizon作为一个物理和隐喻概念的重要性，引导我们走向新的发现和见解。