apparent altitude

简明释义

视高度

英英释义

例句

1.In aviation, understanding the apparent altitude can help avoid obstacles that are not at the true altitude.

在航空中，理解表观高度可以帮助避免与不在真实高度的障碍物发生冲突。

2.The pilot adjusted the flight path based on the apparent altitude of the clouds, which is the height they seem to be from the cockpit.

飞行员根据云的表观高度调整了飞行路线，这个高度是它们在驾驶舱中看起来的高度。

3.The weather report indicated a change in the apparent altitude of the storm system, affecting local forecasts.

天气预报显示暴风雨系统的表观高度发生了变化，影响了当地的预报。

4.When hiking in the mountains, it's important to consider the apparent altitude due to atmospheric pressure changes.

在山中徒步旅行时，考虑表观高度由于气压变化是很重要的。

5.Astronomers calculate the apparent altitude of celestial bodies to determine their visibility from Earth.

天文学家计算天体的表观高度以确定它们从地球上的可见性。

作文

Understanding the concept of apparent altitude is crucial in various fields, including aviation, meteorology, and even astronomy. The term refers to the height of an object above a reference point, as perceived by an observer, rather than its actual height above sea level. This distinction is particularly important when considering factors such as atmospheric conditions, which can significantly alter how high an object appears to be. For instance, when pilots navigate through clouds or fog, they must rely on instruments that measure the apparent altitude of their aircraft to ensure safe flying. In aviation, the apparent altitude can be affected by temperature and pressure variations in the atmosphere. When the air is warmer than standard conditions, the density decreases, causing the altimeter to indicate a higher altitude than the actual one. Conversely, colder air increases density, making the aircraft appear lower than it truly is. This phenomenon can lead to dangerous situations if pilots do not account for these discrepancies. Therefore, understanding apparent altitude is essential for maintaining safety in flight operations.Meteorologists also utilize the concept of apparent altitude when predicting weather patterns. For example, when observing storm systems, they consider how atmospheric refractivity can impact the visibility and behavior of storms. A storm that appears to be at a certain altitude may actually be positioned differently due to refractive effects in the atmosphere. This understanding helps meteorologists provide more accurate forecasts and warnings, which are vital for public safety.In astronomy, the apparent altitude of celestial bodies plays a significant role in observations and calculations. Astronomers often need to determine the position of stars and planets in the sky relative to the observer's horizon. The apparent altitude helps them understand how high a celestial body appears above the horizon, which is crucial for navigation and for scheduling observations. Factors such as atmospheric distortion can also affect the apparent altitude, leading astronomers to adjust their observations accordingly.Moreover, the concept of apparent altitude extends beyond scientific applications; it can also be relevant in everyday life. For example, hikers and outdoor enthusiasts often need to consider the apparent altitude of peaks and valleys while navigating through mountainous terrain. The way a mountain appears from a distance can be influenced by the viewer's position, the surrounding landscape, and atmospheric conditions. This awareness can help adventurers make informed decisions about their routes and safety.In summary, the term apparent altitude encompasses the perceived height of an object above a reference point, taking into account various atmospheric factors. Whether in aviation, meteorology, astronomy, or outdoor activities, understanding apparent altitude is essential for accurate assessments and safe practices. By recognizing the difference between actual altitude and apparent altitude, individuals can better navigate their environments and make informed decisions based on their observations.

理解表观高度的概念在航空、气象甚至天文学等多个领域中至关重要。这个术语指的是一个物体相对于参考点的高度，作为观察者所感知的，而不是它实际的海拔高度。当考虑到大气条件等因素时，这一差异尤其重要，因为这些因素会显著改变一个物体的外观高度。例如，当飞行员穿越云层或雾霭时，他们必须依赖测量飞机的表观高度的仪器，以确保飞行安全。在航空领域，表观高度可能会受到大气中温度和压力变化的影响。当空气比标准条件更温暖时，密度降低，导致高度计显示的高度高于实际高度。相反，寒冷的空气增加了密度，使飞机的实际高度低于其外观高度。如果飞行员不考虑这些差异，这种现象可能会导致危险情况。因此，理解表观高度对维护飞行操作的安全性至关重要。气象学家在预测天气模式时也利用表观高度的概念。例如，在观察风暴系统时，他们会考虑大气折射如何影响风暴的可见性和行为。一个看似处于特定高度的风暴，实际上可能由于大气中的折射效应而位于不同的位置。这种理解帮助气象学家提供更准确的天气预报和警告，这对公众安全至关重要。在天文学中，天体的表观高度在观察和计算中发挥着重要作用。天文学家常常需要确定星星和行星在天空中相对于观察者地平线的位置。表观高度帮助他们理解天体在地平线上方的高度，这对导航和安排观测至关重要。大气扭曲等因素也会影响表观高度，促使天文学家相应调整他们的观察。此外，表观高度的概念不仅限于科学应用；它在日常生活中也可能相关。例如，徒步旅行者和户外爱好者在穿越山区时，通常需要考虑山峰和山谷的表观高度。从远处看，一座山的外观可能会受到观察者位置、周围景观和大气条件的影响。这种意识可以帮助冒险者做出有关路线和安全的明智决策。总之，术语表观高度涵盖了一个物体相对于参考点的感知高度，考虑了各种大气因素。无论是在航空、气象、天文学还是户外活动中，理解表观高度对于准确评估和安全实践至关重要。通过认识到实际高度与表观高度之间的差异，个人可以更好地导航其环境，并根据观察做出明智的决策。