known number

简明释义

已知数

英英释义

例句

1.To solve this equation, start with a known number as your variable.

要解决这个方程，首先用一个已知数作为你的变量。

2.The experiment was designed with a known number of trials to ensure reliability.

这个实验设计了一个已知数的试验以确保可靠性。

3.In statistics, the average is often calculated using a known number of data points.

在统计学中，平均值通常是使用一组已知数的数据点计算的。

4.The formula requires you to input a known number for accurate calculations.

这个公式需要你输入一个已知数以进行准确的计算。

5.We can predict the outcome if we have a known number of variables.

如果我们有一个已知数的变量，我们可以预测结果。

作文

In the world of mathematics, numbers play a crucial role in our daily lives. They help us quantify, measure, and understand the world around us. Among various types of numbers, there is a concept referred to as a known number, which is a term used to describe a value that is established or recognized within a particular context. For instance, when we think about the circumference of a circle, we often refer to the known number π (pi), which is approximately 3.14. This number is universally accepted and is fundamental in geometry. Understanding the significance of known numbers can enhance our comprehension of various mathematical principles. These numbers serve as benchmarks or reference points that guide us in solving problems and making calculations. For example, in statistics, the average or mean is a known number that helps summarize data sets. When analyzing a group of students' test scores, the average score provides insight into overall performance, allowing educators to assess whether their teaching methods are effective.Moreover, the use of known numbers extends beyond pure mathematics into fields such as science and engineering. In physics, the speed of light in a vacuum is a known number valued at approximately 299,792,458 meters per second. This constant is essential for calculations involving time, space, and energy. Engineers rely on these known numbers when designing structures or systems, ensuring they adhere to safety standards and functional requirements.In everyday life, we encounter known numbers in various scenarios. For example, when cooking, recipe measurements often include known numbers such as cups, teaspoons, and degrees Fahrenheit. These values are essential for achieving the desired outcome of a dish. Similarly, when budgeting, individuals utilize known numbers to track expenses and savings, enabling them to make informed financial decisions.The importance of known numbers cannot be overstated. They provide a foundation upon which we build our understanding of more complex concepts. Without these established values, mathematical reasoning would become chaotic and confusing. Additionally, known numbers foster communication among individuals, as they offer a common language for discussing quantitative information.In conclusion, known numbers are integral to mathematics, science, and daily life. They represent established values that serve as reference points for calculations, analysis, and decision-making. By recognizing and utilizing these known numbers, we can navigate the complexities of the world with greater ease and confidence. Whether in academia or practical situations, the role of known numbers is indispensable, highlighting their significance in our understanding of the universe.

在数学的世界中，数字在我们的日常生活中扮演着至关重要的角色。它们帮助我们量化、测量和理解周围的世界。在各种类型的数字中，有一个概念被称为已知数字，这个术语用于描述在特定上下文中建立或认可的值。例如，当我们考虑圆的周长时，我们常常提到已知数字π（圆周率），其近似值为3.14。这个数字是普遍接受的，并且在几何学中是基本的。理解已知数字的重要性可以增强我们对各种数学原理的理解。这些数字作为基准或参考点，指导我们解决问题和进行计算。例如，在统计学中，平均数或均值是一个已知数字，它帮助总结数据集。当分析一组学生的考试成绩时，平均分提供了整体表现的见解，使教育工作者能够评估他们的教学方法是否有效。此外，已知数字的使用超越了纯数学，扩展到科学和工程等领域。在物理学中，光在真空中的速度是一个已知数字，其值约为299,792,458米每秒。这个常数对于涉及时间、空间和能量的计算是必不可少的。工程师在设计结构或系统时依赖这些已知数字，确保它们遵循安全标准和功能要求。在日常生活中，我们在各种场景中遇到已知数字。例如，在烹饪时，食谱中的测量通常包括杯、茶匙和华氏度等已知数字。这些值对于实现菜肴的预期效果至关重要。同样，在预算时，个人利用已知数字来跟踪支出和储蓄，使他们能够做出明智的财务决策。已知数字的重要性不容小觑。它们为我们构建更复杂概念的理解提供了基础。没有这些既定值，数学推理将变得混乱和困惑。此外，已知数字促进了个人之间的沟通，因为它们为讨论定量信息提供了共同的语言。总之，已知数字是数学、科学和日常生活中不可或缺的一部分。它们代表了作为计算、分析和决策参考点的既定值。通过识别和利用这些已知数字，我们可以更轻松自信地应对世界的复杂性。无论是在学术界还是实际情况中，已知数字的作用都是不可或缺的，突显了它们在我们理解宇宙中的重要性。