true height of the barometer
简明释义
气压表真高度
英英释义
例句
1.Meteorologists often refer to the true height of the barometer 气压计的真实高度 when predicting weather patterns.
气象学家在预测天气模式时常常提到气压计的真实高度。
2.In scientific experiments, knowing the true height of the barometer 气压计的真实高度 is crucial for accurate readings.
在科学实验中,知道气压计的真实高度对准确读数至关重要。
3.The pilot adjusted the altimeter based on the true height of the barometer 气压计的真实高度 to ensure a safe landing.
飞行员根据气压计的真实高度调整高度计,以确保安全着陆。
4.The researcher recorded the true height of the barometer 气压计的真实高度 before conducting the pressure experiment.
研究人员在进行压力实验之前记录了气压计的真实高度。
5.To accurately determine the altitude of the mountain, we need to measure the true height of the barometer 气压计的真实高度 at the base camp.
要准确确定山的海拔,我们需要在大本营测量气压计的真实高度。
作文
The barometer is an essential instrument used in meteorology to measure atmospheric pressure. Understanding the concept of the true height of the barometer is crucial for accurate weather predictions and scientific research. The true height of the barometer refers to the actual height of the mercury column in a barometer, which indicates the pressure exerted by the atmosphere at a specific location. This measurement can be influenced by various factors, including temperature, humidity, and altitude.To grasp the significance of the true height of the barometer, one must first understand how a barometer operates. A traditional mercury barometer consists of a glass tube filled with mercury, inverted into a dish of mercury. The weight of the mercury creates a vacuum at the top of the tube, allowing atmospheric pressure to push down on the mercury in the dish. The height of the mercury column in the tube reflects the atmospheric pressure, measured in millimeters or inches.However, several external factors can affect this reading. For example, as altitude increases, atmospheric pressure decreases, which in turn affects the true height of the barometer. Therefore, when measuring pressure at different elevations, it is essential to apply corrections to obtain the true height of the barometer. Meteorologists often use standard sea level pressure as a reference point to make these adjustments.In addition to altitude, temperature also plays a significant role in determining the true height of the barometer. The density of mercury changes with temperature; warmer temperatures cause the mercury to expand, while cooler temperatures cause it to contract. Consequently, if the temperature is not accounted for, the reading may not accurately reflect the atmospheric pressure.Another factor to consider is humidity. Water vapor is less dense than air, and high humidity levels can lead to lower atmospheric pressure readings. This phenomenon can also affect the true height of the barometer, as the presence of water vapor alters the overall density of the air column above the barometer.Understanding the true height of the barometer is vital for various applications beyond weather forecasting. In aviation, for instance, pilots rely on accurate barometric readings to determine altitude and ensure safe flight operations. Similarly, in environmental science, researchers need precise atmospheric pressure data to study climate change and its effects on weather patterns.In conclusion, the true height of the barometer is a fundamental concept in meteorology that encompasses various factors affecting atmospheric pressure measurements. By accounting for altitude, temperature, and humidity, scientists and meteorologists can obtain accurate readings that are crucial for weather prediction and understanding our environment. As we continue to advance in technology and science, the importance of mastering the concept of the true height of the barometer will remain paramount in our pursuit of knowledge about the atmosphere and its behavior.
气压计是气象学中一种重要的仪器,用于测量大气压力。理解“气压计的真实高度”这一概念对于准确的天气预测和科学研究至关重要。“气压计的真实高度”指的是气压计中水银柱的实际高度,这一高度反映了特定位置大气施加的压力。这一测量可能受到多种因素的影响,包括温度、湿度和海拔。要理解“气压计的真实高度”的重要性,首先必须了解气压计的工作原理。传统的水银气压计由一个充满水银的玻璃管组成,倒置在一个盛有水银的盘子中。水银的重量在管顶形成真空,使得大气压力能够压下盘中的水银。管中水银柱的高度反映了大气压力,以毫米或英寸为单位进行测量。然而,多个外部因素可能会影响这一读数。例如,随着海拔的增加,大气压力降低,从而影响“气压计的真实高度”。因此,在不同海拔处测量压力时,必须进行修正以获得“气压计的真实高度”。气象学家通常使用标准海平面压力作为基准点来进行这些调整。除了海拔,温度也在确定“气压计的真实高度”中扮演着重要角色。水银的密度随温度变化而变化;温度升高时,水银膨胀,而温度降低时,水银收缩。因此,如果不考虑温度,读数可能无法准确反映大气压力。另一个需要考虑的因素是湿度。水蒸气的密度低于空气,较高的湿度水平可能导致较低的大气压力读数。这种现象也会影响“气压计的真实高度”,因为水蒸气的存在改变了气压计上方空气柱的整体密度。理解“气压计的真实高度”对于气象预测以外的各种应用也至关重要。在航空领域,飞行员依靠准确的气压读数来确定高度并确保安全飞行。此外,在环境科学中,研究人员需要精确的大气压力数据来研究气候变化及其对天气模式的影响。总之,“气压计的真实高度”是气象学中的一个基本概念,涵盖了影响大气压力测量的各种因素。通过考虑海拔、温度和湿度,科学家和气象学家可以获得准确的读数,这对天气预测和理解我们的环境至关重要。随着我们在技术和科学上的不断进步,掌握“气压计的真实高度”这一概念的重要性将始终在我们对大气及其行为的知识追求中占据重要地位。
相关单词