absolute error

简明释义

绝对误差

英英释义

例句

1.The absolute error 绝对误差 can be calculated by subtracting the true value from the measured value.

可以通过从测量值中减去真实值来计算绝对误差 absolute error。

2.The absolute error 绝对误差 in the final calculation was significantly lower than in previous attempts.

最终计算中的绝对误差 absolute error 明显低于之前的尝试。

3.In statistical analysis, understanding the absolute error 绝对误差 helps in assessing the reliability of data.

在统计分析中，理解绝对误差 absolute error 有助于评估数据的可靠性。

4.To improve accuracy, we need to minimize the absolute error 绝对误差 in our results.

为了提高准确性，我们需要减少结果中的绝对误差 absolute error。

5.The absolute error 绝对误差 of the measurement was calculated to be 0.5 cm.

测量的绝对误差 absolute error 被计算为0.5厘米。

作文

In the field of mathematics and science, accuracy is of utmost importance. When we measure something, we often want to know how close our measurement is to the true value. This is where the concept of absolute error comes into play. The absolute error is defined as the difference between the measured value and the true value, without considering the direction of the error. It provides a straightforward way to quantify how incorrect a measurement is. For instance, if a scientist measures the length of an object to be 10.5 cm while the actual length is 10.0 cm, the absolute error would be 0.5 cm. This simple calculation allows researchers to understand the precision of their measurements. Understanding absolute error is crucial in various applications. In engineering, for example, small errors can lead to significant consequences. If an engineer is designing a bridge, even a minor absolute error in the measurements could compromise the structure's integrity. Therefore, engineers must strive for minimal absolute error to ensure safety and reliability. Similarly, in the field of medicine, accurate measurements are vital for diagnosing and treating patients. An absolute error in dosage calculations could potentially endanger a patient's life. Moreover, the absolute error can also be expressed as a percentage of the true value, known as relative error. This helps in comparing the accuracy of different measurements or experiments. For example, if the true value is 100 and the measured value is 98, the absolute error is 2, which can also be expressed as a 2% relative error. This percentage provides context about the size of the error relative to the true value, making it easier to assess the significance of the error. In educational settings, teaching students about absolute error is essential for developing their analytical skills. Students learn to calculate absolute error through practical experiments, which helps them appreciate the importance of precision in scientific inquiry. As they perform measurements and calculations, they become more aware of the factors that contribute to error, such as instrument limitations and human mistakes. In conclusion, the concept of absolute error plays a critical role in many fields, from science and engineering to education and healthcare. By understanding and minimizing absolute error, professionals can improve their work's accuracy and reliability. Whether it's measuring the length of an object, calculating medication dosages, or conducting scientific experiments, recognizing the significance of absolute error enables individuals to make informed decisions and enhance their results. Ultimately, striving for accuracy not only benefits individual projects but also contributes to the advancement of knowledge and technology as a whole.

在数学和科学领域，准确性至关重要。当我们测量某个事物时，我们通常想知道我们的测量与真实值的接近程度。这就是绝对误差的概念发挥作用的地方。绝对误差被定义为测量值与真实值之间的差异，不考虑误差的方向。它提供了一种简单的方法来量化测量的错误程度。例如，如果一位科学家测量一个物体的长度为10.5厘米，而实际长度为10.0厘米，那么绝对误差将是0.5厘米。这一简单的计算使研究人员能够理解他们测量的精确度。理解绝对误差在各种应用中至关重要。例如，在工程学中，即使是小的误差也可能导致重大的后果。如果一位工程师正在设计一座桥梁，即使是微小的绝对误差也可能危及结构的完整性。因此，工程师必须努力将绝对误差降到最低，以确保安全和可靠性。同样，在医学领域，准确的测量对于诊断和治疗患者至关重要。在剂量计算中的绝对误差可能会危及患者的生命。此外，绝对误差还可以表达为真实值的百分比，称为相对误差。这有助于比较不同测量或实验的准确性。例如，如果真实值为100，测量值为98，则绝对误差为2，也可以表示为2%的相对误差。这个百分比提供了关于误差相对于真实值大小的背景，使评估误差的重要性变得更加容易。在教育环境中，教学生关于绝对误差的知识对于培养他们的分析能力至关重要。学生通过实际实验学习计算绝对误差，这帮助他们欣赏科学探究中精确性的意义。当他们进行测量和计算时，他们变得更加意识到导致误差的因素，例如仪器限制和人为错误。总之，绝对误差的概念在许多领域中发挥着关键作用，从科学和工程到教育和医疗。通过理解和最小化绝对误差，专业人员可以提高其工作的准确性和可靠性。无论是测量物体的长度、计算药物剂量，还是进行科学实验，认识到绝对误差的重要性使个人能够做出明智的决策并改善他们的结果。最终，追求准确性不仅有利于个别项目，还有助于知识和技术的整体进步。