atmospheric pressure

简明释义

大气压

英英释义

例句

1.Meteorologists use atmospheric pressure 大气压 readings to predict weather patterns.

气象学家使用大气压 atmospheric pressure 读数来预测天气模式。

2.As you climb a mountain, the atmospheric pressure 大气压 decreases, which can affect your breathing.

当你爬山时，大气压 atmospheric pressure 降低，这可能会影响你的呼吸。

3.A barometer measures atmospheric pressure 大气压 and helps in weather forecasting.

气压计测量大气压 atmospheric pressure，并有助于天气预报。

4.When a vacuum is created, the atmospheric pressure 大气压 outside the container is much higher than the pressure inside.

当创建真空时，容器外部的大气压 atmospheric pressure 远高于内部压力。

5.The weather balloon ascended until it reached a point where the atmospheric pressure 大气压 was significantly lower than at sea level.

气象气球上升，直到它到达一个点，在那里大气压 atmospheric pressure 显著低于海平面。

作文

Understanding the concept of atmospheric pressure is essential for anyone interested in meteorology, aviation, or even everyday phenomena. Atmospheric pressure refers to the force exerted by the weight of air above a particular point on Earth. This pressure varies with altitude and weather conditions, making it a crucial factor in various scientific fields. To begin with, it is important to note that atmospheric pressure is measured in units such as pascals (Pa), millibars (mb), or inches of mercury (inHg). At sea level, the average atmospheric pressure is about 1013.25 mb or 29.92 inHg. As one ascends to higher altitudes, the atmospheric pressure decreases because there is less air above to exert force. This phenomenon is why mountaineers often experience difficulty breathing at high elevations; the lower atmospheric pressure means that there is less oxygen available.The significance of atmospheric pressure extends beyond high altitudes. It plays a vital role in weather patterns. Changes in atmospheric pressure can indicate shifts in weather conditions. For instance, a drop in atmospheric pressure often signals an approaching storm, while a rise typically indicates fair weather. Meteorologists closely monitor atmospheric pressure readings from various locations to create accurate weather forecasts. In addition to weather forecasting, atmospheric pressure is also critical in aviation. Aircraft are designed to operate within specific atmospheric pressure ranges. Pilots must understand how changes in atmospheric pressure affect flight performance. For example, during takeoff and landing, alterations in atmospheric pressure can influence lift and drag, essential factors in maintaining safe flight operations.Moreover, atmospheric pressure affects our daily lives in more subtle ways. It influences the boiling point of water; the lower the atmospheric pressure, the lower the boiling point. This is why cooking at high altitudes requires adjustments in cooking times and methods. Similarly, atmospheric pressure impacts the behavior of gases, which is fundamental in various scientific experiments and industrial applications.In summary, atmospheric pressure is a fundamental concept that impacts numerous aspects of our world, from weather patterns to aviation and even cooking. Understanding atmospheric pressure allows individuals to appreciate the intricacies of the environment and the science behind everyday occurrences. Whether you are a student, a professional, or simply an inquisitive mind, grasping the principles of atmospheric pressure can enhance your understanding of the natural world around you.

理解大气压力的概念对于任何对气象学、航空或甚至日常现象感兴趣的人来说都是至关重要的。大气压力是指地球上某一点上方空气的重量所施加的力量。这种压力随着海拔和天气条件的变化而变化，使其在各个科学领域中都至关重要。首先，重要的是要注意，大气压力以帕斯卡（Pa）、毫巴（mb）或水银柱英寸（inHg）等单位进行测量。在海平面上，平均的大气压力约为1013.25 mb或29.92 inHg。当人们升高到更高的海拔时，大气压力会下降，因为上方的空气减少了施加的力量。这就是为什么登山者在高海拔地区常常感到呼吸困难的原因；较低的大气压力意味着可用的氧气更少。大气压力的重要性超越了高海拔地区。它在天气模式中发挥着至关重要的作用。大气压力的变化可以指示天气条件的变化。例如，大气压力的下降通常预示着暴风雨的来临，而上升则通常表示良好的天气。气象学家密切监测来自各个地点的大气压力读数，以创建准确的天气预报。除了天气预报，大气压力在航空中也至关重要。飞机被设计成在特定的大气压力范围内运行。飞行员必须了解大气压力的变化如何影响飞行性能。例如，在起飞和着陆过程中，大气压力的变化会影响升力和阻力，这些都是保持安全飞行操作的关键因素。此外，大气压力在更微妙的方面影响我们的日常生活。它影响水的沸点；大气压力越低，沸点越低。这就是为什么在高海拔地区烹饪需要调整烹饪时间和方法。同样，大气压力影响气体的行为，这在各种科学实验和工业应用中是基础。总之，大气压力是一个基本概念，影响着我们世界的许多方面，从天气模式到航空，甚至烹饪。理解大气压力使人们能够欣赏环境的复杂性和日常事件背后的科学。无论你是学生、专业人士，还是仅仅是一个好奇的人，掌握大气压力的原理都能增强你对周围自然世界的理解。