millibar

简明释义

英[ˈmɪlibɑː(r)]美[ˈmɪlibɑːr]

n. 毫巴（大气压强单位）

英英释义

单词用法

同义词

反义词

例句

1.For cylinders equipped with residual (positive) pressure valves, one evacuation under vacuum at 150 millibar is sufficient if the pressure is positive.

对于装有剩余压力阀门的气瓶，如果瓶内剩余压力是正压，把它抽真空到150mbar以下就可以了；

2.For cylinders equipped with residual (positive) pressure valves, one evacuation under vacuum at 150 millibar is sufficient if the pressure is positive.

对于装有剩余压力阀门的气瓶，如果瓶内剩余压力是正压，把它抽真空到150mbar以下就可以了；

3.The atmospheric pressure today is measured at 1013 millibar.

今天的气压测量为1013毫巴。

4.The weather station reported a drop of 5 millibars over the last hour.

气象站报告过去一小时内气压下降了5毫巴。

5.When flying at high altitudes, pilots must monitor the millibar readings to ensure safety.

在高空飞行时，飞行员必须监测毫巴读数以确保安全。

6.A low-pressure system typically has a pressure below 1000 millibar.

低压系统的气压通常低于1000毫巴。

7.Meteorologists often use millibars to report changes in weather patterns.

气象学家常用毫巴来报告天气模式的变化。

作文

The term millibar refers to a unit of pressure that is commonly used in meteorology and atmospheric science. It is defined as one-thousandth of a bar, which is a unit of pressure equivalent to 100,000 pascals. The use of millibar is particularly important when discussing weather patterns and the behavior of the atmosphere. Meteorologists often rely on this measurement to analyze and predict weather conditions, such as high and low-pressure systems.

When we look at weather maps, we often see isobars, which are lines that connect points of equal atmospheric pressure. These isobars are typically labeled in millibars, helping us understand the distribution of pressure across a region. For instance, a high-pressure system might be represented by values greater than 1020 millibars, indicating stable weather conditions, while a low-pressure system could be below 1000 millibars, often associated with stormy weather.

The significance of millibar extends beyond just weather forecasting; it also plays a crucial role in aviation. Pilots must understand atmospheric pressure when flying, as it affects altitude readings and aircraft performance. A standard atmospheric pressure at sea level is approximately 1013.25 millibars. When flying at high altitudes, pilots will reference pressure changes measured in millibars to ensure safe navigation through varying weather conditions.

In addition to its applications in meteorology and aviation, millibar is also relevant in various scientific fields, including oceanography and environmental science. Researchers studying climate change may measure atmospheric pressure variations in millibars to understand better how these changes impact global weather patterns. This data can help scientists make predictions about future climate scenarios and inform policy decisions regarding environmental protection.

To illustrate the practical use of millibar, consider a typical weather report. A meteorologist might say, "A cold front is moving in, bringing a drop in pressure from 1015 millibars to 990 millibars." This information indicates that a significant weather change is occurring, likely leading to precipitation and lower temperatures. Understanding these fluctuations in millibars helps the public prepare for changing weather conditions.

In conclusion, the millibar is an essential unit of measurement that serves various purposes in understanding and predicting weather patterns, aiding in aviation safety, and contributing to scientific research. Its widespread use in meteorology highlights the importance of atmospheric pressure in our daily lives and the environment. As we continue to study and monitor our planet's climate, the role of millibar will remain crucial in our efforts to comprehend the complex interactions within our atmosphere.

术语millibar指的是一种压力单位，通常用于气象学和大气科学。它被定义为一个巴的千分之一，巴是等于100,000帕斯卡的压力单位。millibar的使用在讨论天气模式和大气行为时尤为重要。气象学家常常依赖这一测量来分析和预测天气状况，如高压和低压系统。

当我们查看天气图时，常常会看到等压线，即连接相同大气压力点的线。这些等压线通常以millibar为单位标记，帮助我们理解一个地区的压力分布。例如，一个高压系统可能表示为大于1020millibar的值，表示稳定的天气条件，而低压系统则可能低于1000millibar，通常与暴风雨天气相关。

millibar的重要性不仅限于天气预报；它在航空中也起着至关重要的作用。飞行员必须了解大气压力，因为它会影响高度读数和飞机性能。海平面上的标准大气压力约为1013.25millibar。在高空飞行时，飞行员将参考以millibar为单位的压力变化，以确保在不同天气条件下安全导航。

除了在气象学和航空中的应用外，millibar在海洋学和环境科学等多个科学领域也相关。研究气候变化的研究人员可能会测量millibar中的大气压力变化，以更好地理解这些变化如何影响全球天气模式。这些数据可以帮助科学家预测未来的气候情景，并为有关环境保护的政策决策提供信息。

为了说明millibar的实际应用，考虑一个典型的天气报告。气象学家可能会说：“冷锋正在逼近，压力从1015millibar下降到990millibar。”这一信息表明，正在发生显著的天气变化，可能导致降水和气温降低。理解这些millibar的波动有助于公众为变化的天气条件做好准备。

总之，millibar是一个重要的测量单位，在理解和预测天气模式、帮助航空安全以及促进科学研究方面发挥着多种作用。它在气象学中的广泛应用突显了大气压力在我们的日常生活和环境中的重要性。随着我们继续研究和监测地球的气候，millibar的角色将在我们努力理解大气内部复杂相互作用中保持至关重要。