physical input-output

简明释义

实物投入产出

英英释义

例句

1.To improve sustainability, we need to evaluate the physical input-output 物理输入输出 of our processes.

为了提高可持续性，我们需要评估我们流程的物理输入输出。

2.Understanding the physical input-output 物理输入输出 of the system is crucial for engineers.

理解系统的物理输入输出对工程师来说至关重要。

3.The factory monitors the physical input-output 物理输入输出 to optimize production efficiency.

工厂监控物理输入输出以优化生产效率。

4.In our simulation, we analyzed the physical input-output 物理输入输出 of various materials.

在我们的模拟中，我们分析了各种材料的物理输入输出。

5.The software calculates the physical input-output 物理输入输出 for energy consumption.

该软件计算能耗的物理输入输出。

作文

Understanding the concept of physical input-output is crucial in various fields, including engineering, economics, and environmental science. The term refers to the relationship between the resources that are put into a system (input) and the results that come out of it (output). In essence, it captures how effectively a system converts inputs into outputs, which can be measured in terms of efficiency, productivity, and sustainability.In engineering, for example, the physical input-output analysis helps in assessing the performance of machines and processes. Engineers often look at the raw materials, energy consumption, and labor as inputs, while the finished products and services represent the outputs. By analyzing these relationships, engineers can identify areas for improvement, optimize resource usage, and reduce waste. This not only enhances the overall efficiency of the production process but also contributes to environmental sustainability by minimizing the ecological footprint.In the field of economics, physical input-output models are used to understand the interdependencies between different sectors of the economy. For instance, when studying how agricultural output affects the manufacturing sector, economists can analyze the inputs required for agriculture—such as land, labor, and capital—and the outputs produced, including food products and raw materials. This analysis helps policymakers understand how changes in one sector can impact others, leading to more informed economic decisions.Moreover, in environmental science, physical input-output assessments are vital for evaluating the sustainability of human activities. By examining the natural resources consumed (inputs) and the waste generated (outputs), scientists and policymakers can gauge the environmental impact of various industries. This information is essential for developing strategies aimed at reducing resource depletion and pollution, ultimately fostering a more sustainable future.To illustrate this concept further, consider a simple example of a manufacturing company that produces furniture. The company uses wood, metal, and fabric as inputs. The physical input-output analysis would involve measuring how much of each input is required to produce a certain amount of furniture (output). If the company finds that it uses excessive amounts of wood relative to the furniture produced, it may need to explore alternative materials or improve its production techniques. This not only helps in reducing costs but also aligns with sustainable practices by conserving natural resources.In conclusion, the concept of physical input-output serves as a fundamental framework across multiple disciplines. It emphasizes the importance of understanding how inputs are transformed into outputs, which is essential for improving efficiency, promoting sustainability, and making informed decisions. As we face global challenges such as climate change and resource scarcity, mastering this concept will be increasingly important for future generations. By applying physical input-output analysis in various contexts, we can work towards creating systems that are not only economically viable but also environmentally responsible and socially equitable.

理解物理输入输出的概念在工程、经济学和环境科学等多个领域至关重要。该术语指的是系统中投入的资源（输入）与产生的结果（输出）之间的关系。从本质上讲，它捕捉了一个系统将输入转化为输出的有效性，这可以通过效率、生产力和可持续性来衡量。例如，在工程领域，物理输入输出分析有助于评估机器和过程的性能。工程师通常将原材料、能源消耗和劳动力视为输入，而成品和服务则代表输出。通过分析这些关系，工程师可以识别改进领域，优化资源使用，并减少浪费。这不仅提高了生产过程的整体效率，还通过最小化生态足迹来促进环境可持续性。在经济学领域，物理输入输出模型用于理解经济不同部门之间的相互依赖关系。例如，在研究农业产出如何影响制造业时，经济学家可以分析农业所需的投入——如土地、劳动和资本——以及生产的输出，包括食品产品和原材料。这种分析帮助政策制定者理解一个部门的变化如何影响其他部门，从而做出更明智的经济决策。此外，在环境科学中，物理输入输出评估对于评估人类活动的可持续性至关重要。通过检查消耗的自然资源（输入）和产生的废物（输出），科学家和政策制定者可以评估各行业对环境的影响。这些信息对于制定旨在减少资源枯竭和污染的战略至关重要，最终促进更可持续的未来。为了进一步说明这一概念，可以考虑一个简单的家具制造公司的例子。该公司使用木材、金属和织物作为输入。物理输入输出分析将涉及测量生产一定数量家具（输出）所需的每种输入量。如果公司发现其相对于生产的家具使用过多的木材，则可能需要探索替代材料或改善生产技术。这不仅有助于降低成本，还通过节约自然资源来符合可持续实践。总之，物理输入输出的概念在多个学科中作为一个基本框架。它强调了理解输入如何转化为输出的重要性，这对于提高效率、促进可持续发展和做出明智决策至关重要。随着我们面临气候变化和资源稀缺等全球性挑战，掌握这一概念对未来几代人将变得越来越重要。通过在各种背景下应用物理输入输出分析，我们可以努力创建既经济可行又环保和社会公平的系统。