approximate value

简明释义

近似值

英英释义

An approximate value is a numerical estimate that is close to, but not exactly equal to, the true value.

近似值是一个数值估计,接近但不完全等于真实值。

例句

1.When budgeting, it's important to have an approximate value for unexpected expenses.

在预算时,拥有意外开支的近似值是很重要的。

2.The scientist provided an approximate value for the speed of the chemical reaction.

科学家提供了化学反应速度的近似值

3.The teacher asked students to find the approximate value of pi for their project.

老师要求学生为他们的项目找到π的近似值

4.To estimate the cost, we need an approximate value for the materials required.

为了估算成本,我们需要材料所需的近似值

5.The engineer calculated the approximate value of the bridge's load capacity before construction.

工程师在施工前计算了桥梁承载能力的近似值

作文

In the world of mathematics and science, the concept of an approximate value is crucial for understanding and solving problems. An approximate value refers to a number that is close to the actual value but not exact. This can be particularly useful in situations where precise measurements are difficult or impossible to obtain. For example, when measuring the height of a mountain, one might not have the equipment to measure it accurately, so they would provide an approximate value based on available data and observations. The importance of approximate values extends beyond mathematics; it is also significant in everyday life. When we go shopping, we often estimate the total cost of our items before reaching the checkout. This estimation is an approximate value that helps us manage our budget and make informed decisions. Similarly, when cooking, recipes often require measurements that can be approximated, allowing for flexibility and creativity in the kitchen. In scientific research, approximate values play a vital role in data analysis and interpretation. Scientists frequently deal with large sets of data that may contain outliers or errors. By calculating the mean or median, researchers can arrive at an approximate value that represents the general trend of the data, rather than getting bogged down by every single anomaly. This practice enables scientists to draw conclusions and make predictions based on their findings. Furthermore, in engineering and construction, approximate values are essential during the planning and design phases. Engineers often work with estimates when determining material quantities and costs. These approximate values allow them to create budgets and timelines, ensuring that projects stay on track and within financial limits. However, it is crucial for engineers to recognize the difference between an approximate value and an exact measurement, as relying too heavily on estimates can lead to significant issues down the line. Additionally, the concept of approximate values is also prevalent in technology, especially in fields like computer science and artificial intelligence. Algorithms often rely on approximate values to process large amounts of data quickly. For instance, search engines use algorithms that provide approximate values for search results based on relevance rather than exact matches. This allows users to find information more efficiently and effectively. In conclusion, the notion of an approximate value is an integral part of various disciplines, including mathematics, science, engineering, and everyday life. Understanding how to work with approximate values helps individuals make better decisions, solve problems, and navigate complex situations. Whether estimating costs while shopping, analyzing data in research, or designing a new product, the ability to determine and utilize approximate values is an invaluable skill. As we continue to encounter challenges that require quick thinking and adaptability, mastering the concept of approximate values will undoubtedly enhance our problem-solving abilities and overall understanding of the world around us.

在数学和科学的世界中,近似值的概念对于理解和解决问题至关重要。近似值是指一个接近实际值但不精确的数字。这在测量困难或不可能获得精确测量的情况下尤为有用。例如,在测量一座山的高度时,可能没有设备进行准确测量,因此会根据可用数据和观察结果提供一个近似值近似值的重要性超越了数学;它在日常生活中也很重要。当我们购物时,通常会在结账前估算物品的总成本。这种估算是一个近似值,帮助我们管理预算并做出明智的决策。类似地,在烹饪时,食谱通常需要可以近似的测量,从而允许厨房中的灵活性和创造力。在科学研究中,近似值在数据分析和解释中发挥着至关重要的作用。科学家经常处理可能包含异常值或错误的大量数据。通过计算均值或中位数,研究人员可以得出一个代表数据总体趋势的近似值,而不是被每一个异常值所困扰。这个实践使科学家能够根据他们的发现得出结论并做出预测。此外,在工程和建筑中,近似值在规划和设计阶段也是必不可少的。工程师在确定材料数量和成本时通常使用估算。这些近似值使他们能够制定预算和时间表,确保项目按计划进行并在财务限制内。然而,工程师必须认识到近似值和精确测量之间的区别,因为过度依赖估算可能会导致后续出现重大问题。此外,近似值的概念在技术领域也很普遍,尤其是在计算机科学和人工智能等领域。算法通常依赖于近似值来快速处理大量数据。例如,搜索引擎使用提供基于相关性的搜索结果的算法,而不是精确匹配。这使用户能够更高效、有效地找到信息。总之,近似值的概念是多个学科的核心部分,包括数学、科学、工程和日常生活。了解如何处理近似值帮助个人做出更好的决策、解决问题以及应对复杂情况。无论是在购物时估算成本、在研究中分析数据,还是设计新产品,确定和利用近似值的能力都是一种宝贵的技能。随着我们继续面临需要快速思考和适应的挑战,掌握近似值的概念无疑将增强我们的解决问题能力和对周围世界的整体理解。

相关单词

approximate

approximate详解:怎么读、什么意思、用法