area density

简明释义

表面密度

英英释义

例句

1.In urban planning, understanding the area density 面积密度 helps in designing efficient public transport systems.

在城市规划中，理解面积密度 area density 有助于设计高效的公共交通系统。

2.The area density 面积密度 of trees in a forest can indicate its health and biodiversity.

森林中树木的面积密度 area density 可以指示其健康和生物多样性。

3.The area density 面积密度 of pixels in digital images determines their resolution.

数字图像中像素的面积密度 area density 决定了它们的分辨率。

4.The area density 面积密度 of the material affects its strength and durability.

材料的面积密度 area density 影响其强度和耐久性。

5.Researchers measured the area density 面积密度 of bacteria on different surfaces to study contamination levels.

研究人员测量了不同表面上细菌的面积密度 area density 以研究污染水平。

作文

Understanding the concept of area density is essential in various fields, including physics, engineering, and urban planning. Area density refers to the amount of mass or quantity per unit area. It provides a way to quantify how much of something exists within a given space, making it a crucial metric for analysis and decision-making.In physics, area density can be used to describe the distribution of mass on a surface. For example, consider a sheet of metal with a uniform thickness; the area density would tell us how much mass is present per square meter of that sheet. This information is vital when engineers design structures, as they need to understand how weight is distributed to ensure stability and safety. If the area density is too high in certain areas, it could lead to structural failure under stress.Urban planners also rely on area density when designing cities. They analyze population density, which is a form of area density, to determine how many people live in a specific area. This data helps them make informed decisions about resource allocation, infrastructure development, and public services. For instance, a high population area density might indicate the need for more schools, hospitals, or public transportation options in that region.Moreover, area density is not only limited to physical properties. In environmental science, researchers study the area density of pollutants in a given area to assess the impact of human activities on ecosystems. By measuring the concentration of harmful substances per unit area, scientists can identify pollution hotspots and develop strategies to mitigate their effects.The significance of area density extends beyond scientific applications. In the realm of economics, area density can refer to the distribution of wealth or resources within a geographical area. Economists may analyze the area density of income levels to understand economic disparities and devise policies aimed at reducing inequality.In conclusion, the concept of area density is a multifaceted one that plays a critical role in various disciplines. Whether in physics, urban planning, environmental science, or economics, understanding area density allows professionals to make better-informed decisions based on quantitative data. As we continue to face challenges such as urbanization, environmental degradation, and economic inequality, the importance of accurately measuring and interpreting area density will only grow. Therefore, mastering this concept is essential for anyone looking to make a meaningful impact in their field of study or work.

理解面积密度的概念在物理学、工程学和城市规划等多个领域中至关重要。面积密度指的是单位面积内的质量或数量。它提供了一种量化某种事物在给定空间内存在多少的方法，使其成为分析和决策的重要指标。在物理学中，面积密度可以用来描述表面上质量的分布。例如，考虑一块厚度均匀的金属板；面积密度将告诉我们每平方米该板上有多少质量。这些信息在工程师设计结构时至关重要，因为他们需要了解重量是如何分布的，以确保稳定性和安全性。如果某些区域的面积密度过高，可能会导致在应力下结构失效。城市规划者在设计城市时也依赖于面积密度。他们分析人口密度，这是一种面积密度，以确定特定区域内居住了多少人。这些数据帮助他们在资源分配、基础设施开发和公共服务方面做出明智的决策。例如，高人口面积密度可能表明该地区需要更多的学校、医院或公共交通选项。此外，面积密度不仅限于物理属性。在环境科学中，研究人员研究特定区域内污染物的面积密度，以评估人类活动对生态系统的影响。通过测量每单位面积有害物质的浓度，科学家们可以识别污染热点并制定减轻其影响的策略。面积密度的重要性超越了科学应用。在经济学领域，面积密度可以指地理区域内财富或资源的分布。经济学家可能会分析收入水平的面积密度，以理解经济差距并制定旨在减少不平等的政策。总之，面积密度的概念是多方面的，在多个学科中发挥着关键作用。无论是在物理学、城市规划、环境科学还是经济学中，理解面积密度使专业人士能够基于定量数据做出更好的决策。随着我们继续面临城市化、环境退化和经济不平等等挑战，准确测量和解释面积密度的重要性只会增加。因此，掌握这一概念对于任何希望在其学习或工作领域产生有意义影响的人来说都是必不可少的。