apparent minimum altitude

简明释义

视最小高度

英英释义

The lowest altitude at which an object, such as an aircraft or satellite, can be observed or detected based on visual or instrumental means, taking into account atmospheric conditions and visibility.

根据气象条件和能见度,能够通过视觉或仪器手段观察或探测到的物体(如飞机或卫星)的最低高度。

例句

1.The pilot adjusted the flight path to ensure they did not descend below the apparent minimum altitude (表观最低高度) for safe landing.

飞行员调整了航线,以确保他们不会降到安全着陆的表观最低高度apparent minimum altitude)以下。

2.The navigation system displayed the apparent minimum altitude (表观最低高度) required for the approach phase.

导航系统显示了进场阶段所需的表观最低高度apparent minimum altitude)。

3.Before takeoff, the crew reviewed the apparent minimum altitude (表观最低高度) for their destination airport.

起飞前,机组人员审查了目的地机场的表观最低高度apparent minimum altitude)。

4.Meteorologists reported that the apparent minimum altitude (表观最低高度) for cloud formation was lower than usual due to atmospheric conditions.

气象学家报告称,由于大气条件,云层形成的表观最低高度apparent minimum altitude)低于正常水平。

5.During the flight, the aircraft maintained its position above the apparent minimum altitude (表观最低高度) to avoid turbulence.

在飞行过程中,飞机保持在表观最低高度apparent minimum altitude)之上,以避免颠簸。

作文

Understanding the concept of apparent minimum altitude is crucial for various fields, particularly in aviation and meteorology. The term refers to the lowest altitude at which an object, such as an aircraft or a celestial body, can be observed above the horizon under specific atmospheric conditions. This concept plays a significant role in navigation and flight safety, as it helps pilots determine how low they can fly while still maintaining visual contact with the ground or other navigational references.In aviation, the apparent minimum altitude is influenced by several factors, including the observer's height, atmospheric refraction, and the curvature of the Earth. For instance, when a pilot is flying at a certain altitude, the ability to see objects on the ground is affected by how high they are above sea level. The higher the altitude, the further one can see due to the curvature of the Earth. However, atmospheric conditions can distort this visibility. Refraction can bend light, allowing pilots to see objects that are technically below the horizon. Thus, understanding the apparent minimum altitude becomes essential for ensuring safe operations during takeoff and landing.Moreover, the concept extends beyond aviation into the realm of astronomy. Astronomers must also consider the apparent minimum altitude when observing celestial bodies. The visibility of stars, planets, and other astronomical phenomena is affected by their position relative to the observer's horizon. For example, when stargazing, an astronomer may need to account for the apparent minimum altitude to determine the best time and location for observation. Objects that are too low on the horizon may be obscured by atmospheric disturbances, light pollution, or geographical features like mountains.The implications of apparent minimum altitude are significant in both fields. In aviation, failing to recognize the minimum altitude can lead to dangerous situations, such as mid-air collisions or crashes due to poor visibility. Pilots are trained to understand these dynamics, utilizing instruments and visual cues to maintain safe altitudes during flight. Similarly, astronomers rely on calculations related to apparent minimum altitude to ensure they are observing celestial events at optimal times, maximizing their chances of making significant discoveries.In conclusion, the apparent minimum altitude is a vital concept that intersects multiple disciplines. It highlights the importance of understanding how altitude affects visibility, whether for aircraft navigating through the skies or astronomers peering into the cosmos. By grasping this concept, professionals in aviation and astronomy can enhance their practices, ensuring safety and success in their respective fields. As we continue to explore the skies and the universe beyond, the apparent minimum altitude will remain a fundamental principle guiding our observations and operations.

理解明显最低高度的概念对于多个领域尤其是航空和气象学至关重要。该术语指的是在特定大气条件下,可以观察到的物体(例如飞机或天体)在地平线上方的最低高度。这个概念在导航和飞行安全中发挥着重要作用,因为它帮助飞行员确定他们可以飞行多低,同时仍然保持与地面或其他导航参考的视觉接触。在航空领域,明显最低高度受到多个因素的影响,包括观察者的高度、大气折射和地球的曲率。例如,当飞行员在特定高度飞行时,看到地面物体的能力会受到他们海拔高度的影响。高度越高,看到的距离就越远,这要归功于地球的曲率。然而,大气条件可能会扭曲这种可见性。折射可以弯曲光线,使飞行员能够看到技术上处于地平线以下的物体。因此,理解明显最低高度对确保起飞和着陆的安全操作至关重要。此外,这个概念不仅限于航空,还延伸到天文学的领域。天文学家在观察天体时也必须考虑明显最低高度。星星、行星和其他天文现象的可见性受到它们相对于观察者地平线的位置的影响。例如,在观星时,天文学家可能需要考虑明显最低高度来确定最佳的观察时间和地点。那些在地平线上太低的物体可能会被大气干扰、光污染或地理特征(如山脉)遮挡。明显最低高度的影响在两个领域都是显著的。在航空中,未能认识到最低高度可能导致危险情况,例如空中碰撞或由于能见度差而导致的坠毁。飞行员接受训练以理解这些动态,利用仪器和视觉线索在飞行过程中保持安全高度。同样,天文学家依赖与明显最低高度相关的计算,以确保他们在最佳时间观察天文事件,从而最大化重大发现的机会。总之,明显最低高度是一个重要的概念,交叉涉及多个学科。它突显了理解高度如何影响可见性的重要性,无论是飞机在天空中导航,还是天文学家凝视宇宙。通过掌握这一概念,航空和天文学专业人士可以提升他们的实践,确保各自领域的安全和成功。随着我们继续探索天空和更远的宇宙,明显最低高度将始终是指导我们观察和操作的基本原则。

相关单词

minimum

minimum详解:怎么读、什么意思、用法

altitude

altitude详解:怎么读、什么意思、用法