approximate value

简明释义

近似值

英英释义

例句

1.To estimate the approximate value of the house, we looked at similar properties in the neighborhood.

为了估算这所房子的近似值，我们查看了邻里中类似的房产。

2.The teacher asked students to find the approximate value of pi for their math problems.

老师让学生为他们的数学问题找到π的近似值。

3.The engineer calculated the approximate value of the bridge's load capacity based on its materials.

工程师根据材料计算了桥梁承载能力的近似值。

4.In our budget meeting, we discussed the approximate value of expected expenses for the upcoming project.

在我们的预算会议上，我们讨论了即将进行的项目的预期费用的近似值。

5.The scientist reported an approximate value for the sample's concentration after preliminary tests.

科学家在初步测试后报告了样本浓度的近似值。

作文

In the world of mathematics and science, the concept of an approximate value plays a crucial role in problem-solving and data analysis. An approximate value is not an exact figure; rather, it is a number that is close enough to the correct answer for practical purposes. This idea is especially important in fields where precision can be challenging due to limitations in measurement tools or inherent variability in the data being studied. For example, when measuring the height of a mountain, one might obtain an approximate value based on satellite data or aerial photography. The actual height may vary slightly due to factors such as snow cover or geological changes, but the approximate value provides a useful reference point.In everyday life, we often rely on approximate values to make decisions. Consider budgeting for a vacation. While planning, you might estimate that you will need around $1,500 for the trip. This figure is an approximate value derived from your research on accommodation, food, and activities. It is unlikely to be the exact amount you will spend, but it gives you a reasonable target to aim for. By using approximate values, you can avoid the paralysis of analysis that comes with trying to pinpoint every last detail.Furthermore, the use of approximate values is essential in scientific experiments. Researchers often deal with measurements that have some degree of uncertainty. For instance, if a scientist measures the temperature of a substance and records it as 75.3 degrees Celsius, this number may actually represent an approximate value due to fluctuations in the environment or limitations of the measuring device. Understanding that this figure is an approximate value allows scientists to communicate their findings more effectively, emphasizing that while the number is useful, it should not be taken as absolute.In engineering, the concept of approximate values is also prevalent. When designing a bridge, engineers must consider various factors such as load capacity, materials, and environmental conditions. They often work with approximate values during the initial design phase to create models and simulations. These values help them analyze potential outcomes and make adjustments before finalizing the design. As the project progresses, more accurate measurements can be obtained, but the initial approximate values are critical in guiding the overall process.In conclusion, the notion of an approximate value is fundamental across various disciplines, from mathematics to everyday decision-making. It allows us to work with estimates that simplify complex problems and facilitate understanding. Whether we are budgeting for a trip, conducting scientific research, or engineering a structure, approximate values provide a framework for making informed choices without getting bogged down by the need for absolute precision. Embracing the utility of approximate values can lead to more efficient problem-solving and better outcomes in both our personal and professional lives.

在数学和科学的世界中，近似值的概念在解决问题和数据分析中起着至关重要的作用。近似值不是一个精确的数字；而是一个在实际应用中足够接近正确答案的数字。这个理念在测量工具的局限性或所研究数据的固有变异性使得精确度具有挑战性的领域尤为重要。例如，在测量一座山的高度时，人们可能会基于卫星数据或航空摄影获得一个近似值。实际高度可能因雪覆盖或地质变化等因素而略有不同，但近似值提供了一个有用的参考点。在日常生活中，我们经常依赖近似值来做出决策。考虑一下度假预算。在规划时，你可能估计需要大约1500美元来进行旅行。这个数字是基于你对住宿、食物和活动的研究得出的近似值。它不太可能是你将要花费的确切金额，但它为你提供了一个合理的目标。通过使用近似值，你可以避免因尝试确定每一个细节而导致的分析瘫痪。此外，近似值的使用在科学实验中也至关重要。研究人员经常处理具有一定不确定性的测量。例如，如果科学家测量某种物质的温度并记录为75.3摄氏度，这个数字可能实际上代表一个由于环境波动或测量设备的局限性而产生的近似值。理解这个数字是一个近似值使科学家能够更有效地传达他们的发现，强调虽然这个数字是有用的，但不应被视为绝对。在工程领域，近似值的概念也很普遍。当设计一座桥时，工程师必须考虑各种因素，例如载重能力、材料和环境条件。他们通常在初步设计阶段使用近似值来创建模型和模拟。这些值帮助他们分析潜在结果并在最终确定设计之前进行调整。随着项目的进展，可以获得更准确的测量，但最初的近似值在指导整体过程中至关重要。总之，近似值的概念在各个学科中都是基础，从数学到日常决策。它使我们能够使用简化复杂问题的估算，并促进理解。无论我们是在为旅行制定预算、进行科学研究还是设计结构，近似值都为做出明智的选择提供了框架，而无需陷入对绝对精确度的需求。接受近似值的实用性可以带来更高效的问题解决和更好的结果，无论是在个人生活还是职业生涯中。