absolute altimeter

简明释义

1. 绝对高程计; 2. 绝对高度表;

英英释义

例句

1.In mountainous regions, an absolute altimeter is crucial for avoiding terrain collisions.

在山区，绝对高度计对于避免地形碰撞至关重要。

2.The pilot relied on the absolute altimeter to maintain a safe altitude during the flight.

飞行员依靠绝对高度计在飞行中保持安全的高度。

3.Calibration of the absolute altimeter is essential before any flight operation.

在任何飞行操作之前，对绝对高度计进行校准是必不可少的。

4.The absolute altimeter provides accurate readings necessary for precision landings.

绝对高度计提供精确的读数，这对于精确着陆是必要的。

5.An absolute altimeter measures the altitude above a fixed reference point, typically sea level.

绝对高度计测量相对于固定参考点（通常是海平面）的高度。

作文

The concept of an absolute altimeter is crucial for various fields, especially in aviation and meteorology. An absolute altimeter is a device that measures the altitude of an object above a fixed level, typically sea level. Unlike relative altimeters, which measure altitude based on a reference point, the absolute altimeter provides a more accurate representation of an object's elevation in relation to the Earth's surface. This distinction is essential for pilots who need to maintain safe flight levels and avoid terrain during their journeys.In aviation, the use of an absolute altimeter is vital for ensuring flight safety. Pilots rely on these devices to determine their altitude in real-time, allowing them to make informed decisions about their flight path. For instance, when flying in mountainous regions, an absolute altimeter helps pilots avoid collisions with terrain by providing precise altitude readings. Furthermore, it aids in the process of landing, as pilots must know their height above ground level to execute a safe touchdown.Meteorologists also depend on absolute altimeters for accurate weather forecasting. By measuring the atmospheric pressure at different altitudes, these instruments can help predict weather patterns. As air pressure changes with altitude, understanding these variations allows meteorologists to create more reliable forecasts. The data collected from absolute altimeters contributes to models that predict storms, temperature changes, and other critical weather phenomena.Moreover, the technology behind absolute altimeters has evolved significantly over the years. Early models were purely mechanical, relying on barometric pressure to gauge altitude. However, modern absolute altimeters often integrate advanced electronics and satellite technology, such as GPS, to enhance their accuracy and reliability. These advancements have made it possible for users to receive real-time data, which is essential for both aviation and meteorological applications.The importance of absolute altimeters extends beyond aviation and meteorology. They are also utilized in outdoor activities such as hiking and mountaineering. Adventurers rely on these devices to navigate challenging terrains and ensure they are aware of their altitude, which can be crucial for safety in remote areas. A sudden change in altitude can affect a person's physical condition due to altitude sickness, making the knowledge provided by an absolute altimeter invaluable.In conclusion, the absolute altimeter is a vital instrument that plays a significant role in various fields, including aviation, meteorology, and outdoor activities. Its ability to provide accurate altitude measurements above a fixed reference point makes it indispensable for ensuring safety and enhancing our understanding of the environment. As technology continues to advance, the functionality and accuracy of absolute altimeters will only improve, further solidifying their importance in our daily lives. Understanding how to use and interpret data from these instruments is essential for anyone involved in activities where altitude is a critical factor.

绝对高度计的概念对于多个领域，尤其是航空和气象学至关重要。绝对高度计是一种测量物体相对于固定水平（通常是海平面）高度的设备。与相对高度计不同，后者是基于参考点测量高度的，绝对高度计提供了物体相对于地球表面的更准确的高度表示。这种区别对于需要保持安全飞行高度并在旅途中避免地形的飞行员来说至关重要。在航空领域，使用绝对高度计对于确保飞行安全至关重要。飞行员依赖这些设备实时确定他们的高度，从而做出关于飞行路径的明智决策。例如，在山区飞行时，绝对高度计帮助飞行员通过提供精确的高度读数来避免与地形发生碰撞。此外，它还在着陆过程中提供帮助，因为飞行员必须知道他们离地面的高度，以便安全着陆。气象学家也依赖绝对高度计进行准确的天气预报。通过测量不同高度的气压，这些仪器可以帮助预测天气模式。由于气压随高度变化，了解这些变化使气象学家能够创建更可靠的预报。从绝对高度计收集的数据有助于预测风暴、温度变化和其他关键天气现象的模型。此外，绝对高度计背后的技术多年来有了显著发展。早期的模型纯粹是机械的，依靠气压来测量高度。然而，现代绝对高度计通常集成了先进的电子技术和卫星技术，如GPS，以增强其准确性和可靠性。这些进步使用户能够接收实时数据，这对于航空和气象应用至关重要。绝对高度计的重要性超出了航空和气象学的范围。它们还被用于徒步旅行和登山等户外活动。冒险者依赖这些设备在具有挑战性的地形中导航，并确保他们了解自己的高度，这在偏远地区的安全中至关重要。高度的突然变化可能会因高原反应影响一个人的身体状况，因此来自绝对高度计的知识是无价的。总之，绝对高度计是一种重要的仪器，在航空、气象学和户外活动等多个领域发挥着重要作用。它能够提供相对于固定参考点的准确高度测量，使其在确保安全和增强我们对环境的理解方面不可或缺。随着技术的不断进步，绝对高度计的功能和准确性只会提高，进一步巩固它们在我们日常生活中的重要性。理解如何使用和解释这些仪器的数据对于任何涉及高度是关键因素的活动的人来说都是必不可少的。