U.S.Standard Atmosphere

简明释义

美国标准大气压

英英释义

例句

1.The calculations for the aircraft's performance are based on the conditions defined by the U.S. Standard Atmosphere.

飞机性能的计算是基于美国标准大气定义的条件。

2.The U.S. Standard Atmosphere provides a baseline for calibrating altimeters in aircraft.

在飞机中，美国标准大气提供了校准高度计的基准。

3.When designing high-altitude balloons, engineers must consider the U.S. Standard Atmosphere to ensure proper buoyancy.

在设计高空气球时，工程师必须考虑美国标准大气以确保适当的浮力。

4.Engine testing often requires adjustments to match the U.S. Standard Atmosphere for accurate results.

发动机测试通常需要调整以匹配美国标准大气以获得准确结果。

5.Meteorologists use the U.S. Standard Atmosphere as a reference for weather predictions.

气象学家使用美国标准大气作为天气预测的参考。

作文

The concept of U.S. Standard Atmosphere is fundamental in various fields such as aviation, meteorology, and engineering. It serves as a reference model for the atmosphere's properties at different altitudes. The U.S. Standard Atmosphere provides a set of standard values for temperature, pressure, density, and other atmospheric conditions from sea level up to an altitude of 86 kilometers. This model was developed to facilitate calculations and comparisons across different disciplines, ensuring that professionals can work with a consistent set of data.Understanding the U.S. Standard Atmosphere is crucial for pilots and engineers alike. For instance, when designing aircraft, engineers must consider how changes in altitude affect performance. The U.S. Standard Atmosphere offers a baseline for these calculations, allowing engineers to predict how an aircraft will behave under various conditions. Similarly, pilots rely on this model to understand how altitude impacts air density and, consequently, lift and thrust. Without a standardized reference, these calculations would be significantly more complex and less reliable.Moreover, the U.S. Standard Atmosphere plays a vital role in weather forecasting and climate studies. Meteorologists use this model to analyze atmospheric data and make predictions about weather patterns. By comparing current atmospheric conditions to the U.S. Standard Atmosphere, they can identify anomalies and better understand phenomena such as storms or temperature inversions. This comparison is essential for developing accurate weather models that inform the public and guide safety measures during extreme weather events.In addition to its applications in aviation and meteorology, the U.S. Standard Atmosphere is also used in scientific research. Researchers studying the Earth's atmosphere can utilize this standard model to compare their findings with established benchmarks. For example, when investigating the effects of pollution or climate change, scientists can assess how current atmospheric conditions differ from those predicted by the U.S. Standard Atmosphere. This comparison helps to highlight significant changes and trends over time, contributing to our understanding of environmental issues.Furthermore, the U.S. Standard Atmosphere is not static; it has evolved over time to incorporate new scientific knowledge and technological advancements. The most recent version, established in 1976, reflects improved measurements and understanding of atmospheric behavior. As our knowledge continues to grow, it is likely that the U.S. Standard Atmosphere will be updated again in the future to ensure it remains a relevant and useful tool for researchers, engineers, and meteorologists.In conclusion, the U.S. Standard Atmosphere is an essential framework that supports various scientific and engineering disciplines. Its standardized values provide a common ground for professionals to work from, facilitating communication and collaboration. Whether in the cockpit of an airplane, the office of a meteorologist, or the laboratory of a researcher, the U.S. Standard Atmosphere serves as a critical reference point that enhances our understanding of the atmosphere and its impact on our world. As we continue to face challenges related to climate and air travel, the importance of the U.S. Standard Atmosphere will only grow, making it a cornerstone of modern science and engineering.

‘美国标准大气’的概念在航空、气象和工程等多个领域中是基础性的。它作为不同高度大气特性参考模型，提供了从海平面到86公里高空的温度、压力、密度及其他大气条件的标准值。这个模型的制定旨在方便各个学科间的计算和比较，确保专业人士可以使用一致的数据。理解‘美国标准大气’对飞行员和工程师至关重要。例如，在设计飞机时，工程师必须考虑高度变化对性能的影响。‘美国标准大气’为这些计算提供了基准，使工程师能够预测飞机在各种条件下的表现。同样，飞行员依赖这个模型来理解高度如何影响空气密度，从而影响升力和推力。如果没有一个标准化的参考，这些计算将变得更加复杂且不可靠。此外，‘美国标准大气’在天气预报和气候研究中也发挥着重要作用。气象学家使用这个模型来分析大气数据，并对天气模式进行预测。通过将当前的大气条件与‘美国标准大气’进行比较，他们可以识别异常现象，更好地理解风暴或温度反转等现象。这种比较对于开发准确的天气模型至关重要，能够向公众提供信息并指导在极端天气事件中的安全措施。除了在航空和气象中的应用外，‘美国标准大气’还被用于科学研究。研究地球大气的科学家可以利用这一标准模型将他们的发现与已建立的基准进行比较。例如，在研究污染或气候变化的影响时，科学家可以评估当前的气候条件与‘美国标准大气’所预测的情况之间的差异。这种比较有助于突出显著变化和长期趋势，促进我们对环境问题的理解。此外，‘美国标准大气’并不是静态的；它随着时间的推移而演变，以纳入新的科学知识和技术进步。最新版本于1976年建立，反映了对大气行为的改进测量和理解。随着我们知识的不断增长，未来可能会再次更新‘美国标准大气’，以确保其仍然是研究人员、工程师和气象学家相关且有用的工具。总之，‘美国标准大气’是支持多种科学和工程学科的基本框架。其标准化的数值为专业人士提供了共同的工作基础，促进了交流与合作。无论是在飞机驾驶舱、气象学家的办公室，还是研究人员的实验室，‘美国标准大气’都作为一个关键的参考点，增强了我们对大气及其对我们世界影响的理解。随着我们继续面临与气候和航空旅行相关的挑战，‘美国标准大气’的重要性只会增加，使其成为现代科学和工程的基石。