annual mean

简明释义

年平均

英英释义

例句

1.Researchers calculated the annual mean rainfall to assess water availability.

研究人员计算了年均降雨量以评估水资源可用性。

2.To understand trends, we analyzed the annual mean sales data over the last decade.

为了理解趋势，我们分析了过去十年的年均销售数据。

3.The annual mean income for households in urban areas is higher than in rural areas.

城市地区家庭的年均收入高于农村地区。

4.The annual mean temperature in this region is rising due to climate change.

该地区的年均温度因气候变化而上升。

5.The annual mean air quality index indicates significant pollution levels in the city.

该城市的年均空气质量指数显示出显著的污染水平。

作文

The concept of the annual mean is crucial in various fields such as meteorology, economics, and environmental science. It refers to the average value of a particular variable over the course of a year. Understanding the annual mean helps researchers and policymakers to analyze trends, make predictions, and implement effective strategies based on historical data. For instance, in meteorology, the annual mean temperature can indicate climate change patterns. By comparing the annual mean temperatures of different years, scientists can identify whether the planet is warming or cooling, and to what extent human activities contribute to these changes.In economics, the annual mean income can provide insights into the financial health of a population. By calculating the annual mean income, economists can assess whether the economy is growing or shrinking. A rising annual mean income typically indicates economic prosperity, while a declining annual mean may signal recession or increased poverty levels. This information is vital for governments to design policies aimed at improving living standards and fostering economic growth.Moreover, in environmental science, the annual mean concentration of pollutants in the air or water can help gauge the effectiveness of environmental regulations. If the annual mean level of a certain pollutant decreases over time, it may suggest that legislative measures are working. Conversely, if the annual mean remains constant or increases, it could indicate a need for more stringent regulations or innovative solutions to combat pollution.To illustrate the importance of the annual mean, let’s consider a hypothetical example involving a city’s air quality. Suppose a city measures the concentration of particulate matter (PM2.5) every day for a year. By calculating the annual mean concentration of PM2.5, city officials can determine whether air quality is improving or deteriorating. If the annual mean shows a significant reduction, it could be attributed to successful public transport initiatives or stricter emissions regulations. On the other hand, an increasing annual mean might prompt further investigation into industrial activities or traffic patterns that contribute to air pollution.In conclusion, the annual mean is a powerful statistical tool that provides valuable insights across various disciplines. It enables us to track changes over time, assess the impact of policies, and make informed decisions. Understanding the significance of the annual mean can lead to better outcomes in climate action, economic planning, and environmental protection. As we continue to face global challenges, the ability to analyze and interpret the annual mean will be essential for creating sustainable solutions that benefit both current and future generations.

“年度均值”的概念在气象学、经济学和环境科学等多个领域中至关重要。它指的是特定变量在一年内的平均值。理解“年度均值”有助于研究人员和政策制定者分析趋势、做出预测并根据历史数据实施有效策略。例如，在气象学中，“年度均值”温度可以指示气候变化模式。通过比较不同年份的“年度均值”温度，科学家可以识别地球是变暖还是变冷，以及人类活动在这些变化中所占的比例。在经济学中，“年度均值”收入可以提供有关人口金融健康的见解。通过计算“年度均值”收入，经济学家可以评估经济是增长还是萎缩。上升的“年度均值”收入通常表明经济繁荣，而下降的“年度均值”可能预示着衰退或贫困水平增加。这些信息对于政府设计旨在改善生活标准和促进经济增长的政策至关重要。此外，在环境科学中，空气或水中污染物的“年度均值”浓度可以帮助评估环境法规的有效性。如果某种污染物的“年度均值”水平随着时间的推移而降低，这可能表明立法措施正在发挥作用。相反，如果“年度均值”保持不变或增加，则可能表明需要更严格的法规或创新解决方案来应对污染。为了说明“年度均值”的重要性，让我们考虑一个关于城市空气质量的假设例子。假设一座城市每天测量一次PM2.5的浓度，持续一年。通过计算PM2.5的“年度均值”浓度，城市官员可以确定空气质量是改善还是恶化。如果“年度均值”显示显著减少，这可能归因于成功的公共交通倡议或更严格的排放法规。另一方面，增加的“年度均值”可能促使进一步调查工业活动或交通模式对空气污染的贡献。总之，“年度均值”是一个强大的统计工具，提供了跨学科的宝贵见解。它使我们能够跟踪变化、评估政策影响并做出明智决策。理解“年度均值”的重要性可以带来气候行动、经济规划和环境保护方面的更好结果。随着我们继续面临全球挑战，分析和解释“年度均值”的能力将对创造可持续解决方案至关重要，这些解决方案将惠及当前和未来的世代。