exact value

简明释义

精确值

英英释义

The precise numerical value of a quantity, without any approximation or rounding.

一个数量的精确数值,没有任何近似或四舍五入。

例句

1.To solve this equation, we must find the exact value 精确值 of x.

要解这个方程,我们必须找到x的exact value 精确值

2.In finance, knowing the exact value 精确值 of an investment is crucial for making informed decisions.

在金融领域,了解投资的exact value 精确值 对于做出明智的决策至关重要。

3.The engineer needs the exact value 精确值 of the load capacity to ensure safety.

工程师需要负载能力的exact value 精确值 以确保安全。

4.In mathematics, it is important to calculate the exact value 精确值 of π for certain applications.

在数学中,计算π的exact value 精确值 对于某些应用是很重要的。

5.The scientist measured the exact value 精确值 of the chemical concentration in the solution.

科学家测量了溶液中化学浓度的exact value 精确值

作文

In mathematics and various fields of science, the term exact value refers to a precise number or quantity that is not an approximation. For instance, when we say the exact value of pi is 3.14159, we are not rounding it off; instead, we are providing the most accurate representation of this irrational number. Understanding the concept of exact value is crucial because it allows us to perform calculations with a high degree of accuracy, which is essential in fields like engineering, physics, and even finance.When students learn about fractions, decimals, and percentages, they often encounter the idea of exact value as well. For example, if a student is asked to find the exact value of 1/2, they will learn that this fraction represents a precise amount, equivalent to 0.5 in decimal form. This understanding helps students develop strong mathematical skills that they can apply in real-world scenarios.However, the importance of exact value extends beyond mathematics. In everyday life, we often deal with measurements that require a precise understanding. For instance, when cooking, following a recipe may require measuring ingredients to the exact value specified in the instructions. Adding too much or too little of an ingredient can alter the final dish significantly. Thus, knowing how to measure accurately is vital for achieving the desired outcome.In the realm of technology, the concept of exact value becomes even more significant. Programmers and engineers must ensure that their calculations are precise to avoid errors in software development or product design. If a programmer uses an approximate value instead of the exact value, it could lead to bugs or system failures. Therefore, attention to detail and a commitment to accuracy are paramount.Moreover, in data analysis, the exact value of collected data points is crucial for making informed decisions. Businesses rely on accurate data to understand market trends, customer behavior, and operational efficiency. If the data reflects approximations rather than exact values, the conclusions drawn from that data may be flawed, leading to poor business strategies.In conclusion, the term exact value encompasses a fundamental principle that underpins many aspects of our lives, from academic subjects to practical applications in daily activities. It emphasizes the importance of precision and accuracy in our measurements and calculations. Whether in mathematics, cooking, technology, or data analysis, striving for the exact value ensures that we achieve the best possible results. By understanding and valuing exact value, we can enhance our skills and make better decisions in both our personal and professional lives.

在数学和各种科学领域,术语exact value指的是一个精确的数字或数量,而不是一个近似值。例如,当我们说π的exact value是3.14159时,我们并没有对其进行四舍五入;相反,我们提供了这个无理数的最准确表示。理解exact value的概念至关重要,因为它使我们能够以高精度进行计算,这在工程、物理甚至金融等领域都是必不可少的。当学生学习分数、小数和百分比时,他们经常会遇到exact value的概念。例如,如果学生被要求找到1/2的exact value,他们将了解到这个分数代表一个精确的量,相当于0.5的小数形式。这种理解帮助学生发展出强大的数学技能,使他们能够在现实场景中应用。然而,exact value的重要性超越了数学。在日常生活中,我们经常处理需要精确理解的测量。例如,在烹饪时,遵循食谱可能需要按照说明书中指定的exact value来测量成分。添加过多或过少的成分可能会显著改变最终菜肴。因此,了解如何准确测量对于实现期望的结果至关重要。在技术领域,exact value的概念变得更加重要。程序员和工程师必须确保他们的计算是精确的,以避免软件开发或产品设计中的错误。如果程序员使用近似值而不是exact value,可能会导致程序错误或系统故障。因此,关注细节和对准确性的承诺是至关重要的。此外,在数据分析中,收集数据点的exact value对于做出明智的决策至关重要。企业依赖准确的数据来了解市场趋势、客户行为和运营效率。如果数据反映的是近似值而不是exact value,那么从这些数据中得出的结论可能是错误的,从而导致糟糕的商业策略。总之,术语exact value涵盖了一个基本原则,这个原则支撑着我们生活的许多方面,从学术科目到日常活动中的实际应用。它强调了我们在测量和计算中精确性和准确性的重要性。无论是在数学、烹饪、技术还是数据分析中,追求exact value确保我们获得最佳的结果。通过理解和重视exact value,我们可以提高我们的技能,并在个人和职业生活中做出更好的决策。