allowable error

简明释义

容许误差

英英释义

例句

1.The manufacturer set an allowable error of 2% for the dimensions of the parts produced.

制造商为生产零件的尺寸设定了2%的允许误差。

2.Engineers must consider the allowable error when designing precision instruments.

工程师在设计精密仪器时必须考虑允许误差。

3.The lab results showed an allowable error of 0.5% in the measurement of the chemical concentration.

实验室结果显示化学浓度测量的允许误差为0.5%。

4.The project manager reviewed the allowable error in the budget estimates before approval.

项目经理在批准之前审查了预算估算中的允许误差。

5.In quality control, an allowable error is crucial to ensure products meet specifications.

在质量控制中，允许误差对于确保产品符合规格至关重要。

作文

In the realm of science and engineering, precision is paramount. Every measurement we take, whether it be in a laboratory experiment or during a construction project, carries with it a degree of uncertainty. This uncertainty can stem from various sources such as instrument limitations, human error, and environmental factors. To address this, professionals often refer to the concept of allowable error, which is crucial for ensuring the reliability and accuracy of their work.The term allowable error refers to the maximum permissible deviation from a true value that is considered acceptable within a specific context. For instance, in manufacturing, if a component is designed to have a diameter of 10 millimeters, an allowable error of ±0.5 millimeters might be established. This means that any produced component with a diameter between 9.5 and 10.5 millimeters would be deemed acceptable. Understanding this concept is essential because it helps in setting realistic expectations and standards for quality control.Moreover, allowable error plays a significant role in statistical analysis. When conducting experiments, researchers must account for potential errors to ensure that their results are valid. By defining an allowable error, they can determine the range within which their findings can be considered statistically significant. For example, in clinical trials, a drug may be deemed effective if its impact falls within an allowable error margin that is statistically relevant. This helps in making informed decisions based on empirical evidence.In fields such as surveying and navigation, allowable error is equally important. Surveyors use precise instruments to measure land, but even the best tools have limits to their accuracy. Therefore, establishing an allowable error allows surveyors to understand the potential discrepancies in their measurements. This is vital for legal purposes, as property boundaries must be accurately defined to prevent disputes. Similarly, navigators rely on allowable error when plotting courses to ensure that they reach their destinations safely and efficiently.Furthermore, in education, the concept of allowable error can be applied to assessments and grading. Educators must recognize that students may not always perform perfectly on tests. By allowing a certain margin of error in grading, teachers can provide a fair evaluation of a student’s understanding of the material. For example, if a student answers 80 out of 100 questions correctly, the teacher might consider the allowable error in the assessment process to account for ambiguous questions or misinterpretations.In conclusion, the concept of allowable error is integral across various fields, including science, engineering, statistics, surveying, and education. It provides a framework for understanding and managing the uncertainties inherent in measurements and assessments. By establishing acceptable limits for errors, professionals can ensure quality, accuracy, and fairness in their work. As we continue to advance in technology and methodologies, the importance of recognizing and applying the concept of allowable error will only increase, helping us navigate the complexities of our world more effectively.

在科学和工程领域，精确性至关重要。我们所进行的每一次测量，无论是在实验室实验中还是在建筑项目中，都伴随着一定程度的不确定性。这种不确定性可能源于各种因素，如仪器限制、人为错误和环境因素。为了应对这一问题，专业人员通常会提到“允许误差”的概念，这对于确保他们工作的可靠性和准确性至关重要。“允许误差”一词是指在特定上下文中被认为可以接受的最大允许偏差。例如，在制造业中，如果某个部件的设计直径为10毫米，则可能设定±0.5毫米的允许误差。这意味着任何生产出的直径在9.5到10.5毫米之间的部件都被视为可接受。理解这个概念是非常重要的，因为它有助于设定现实的期望和质量控制标准。此外，允许误差在统计分析中也发挥着重要作用。在进行实验时，研究人员必须考虑潜在的误差，以确保他们的结果是有效的。通过定义允许误差，他们可以确定其发现被视为统计显著性的范围。例如，在临床试验中，如果一药物的影响落在一个统计相关的允许误差范围内，它可能被认为是有效的。这有助于基于实证证据做出明智的决策。在测量和导航等领域，允许误差同样重要。测量师使用精确的仪器来测量土地，但即使是最好的工具也有其准确性的极限。因此，建立允许误差使测量师能够理解其测量中的潜在差异。这对于法律目的至关重要，因为必须准确界定财产边界以防止争议。同样，导航员在绘制航线时依赖于允许误差，以确保他们安全有效地到达目的地。此外，在教育中，“允许误差”的概念可以应用于评估和评分。教育工作者必须认识到，学生在测试中可能不会总是表现完美。通过在评分中允许一定的误差范围，教师可以对学生的理解提供公平的评估。例如，如果一名学生正确回答了100道题目中的80道，教师可能会考虑评估过程中的允许误差，以考虑模糊问题或误解。总之，“允许误差”的概念在科学、工程、统计、测量和教育等多个领域都是不可或缺的。它为理解和管理测量和评估中固有的不确定性提供了框架。通过建立错误的可接受限度，专业人员可以确保其工作的质量、准确性和公平性。随着我们在技术和方法上的不断进步，认识和应用允许误差的概念的重要性只会增加，帮助我们更有效地应对世界的复杂性。