cardinal number

简明释义

基数

英英释义

例句

1.The cardinal number 基数 of infinite sets can be represented with different symbols.

无限集合的 cardinal number 基数 可以用不同的符号表示。

2.When counting objects, we use cardinal numbers 基数 to indicate how many there are.

在计数物体时，我们使用 cardinal numbers 基数 来表示有多少个。

3.The cardinal number 基数 of the set {1, 2, 3} is three.

集合 {1, 2, 3} 的 cardinal number 基数 是三。

4.In mathematics, a cardinal number 基数 is used to denote quantity.

在数学中，cardinal number 基数 用于表示数量。

5.In programming, you might need to convert a string to a cardinal number 基数 for calculations.

在编程中，您可能需要将字符串转换为 cardinal number 基数 以进行计算。

作文

Understanding the concept of cardinal number is essential in mathematics and everyday life. A cardinal number is a number that indicates quantity. For instance, when we say 'three apples', the word 'three' represents a cardinal number that tells us how many apples there are. This is different from ordinal numbers, which indicate position or order, such as 'first', 'second', or 'third'. The distinction between these two types of numbers is crucial for clear communication and effective problem-solving.In mathematics, cardinal numbers form the basis of counting and arithmetic. They allow us to perform basic operations such as addition, subtraction, multiplication, and division. For example, if you have five oranges and you buy three more, you can use cardinal numbers to determine that you now have eight oranges. This simple addition is a fundamental skill that relies on our understanding of cardinal numbers.Moreover, cardinal numbers are not limited to just whole numbers. They can also include fractions and decimals when we discuss quantities. For instance, if you have half a pizza, the number '0.5' is a cardinal number that represents a specific quantity of pizza. Understanding cardinal numbers in this broader sense enables us to engage with various real-world scenarios, such as cooking, budgeting, and measuring.In everyday life, we constantly encounter cardinal numbers. Whether we are shopping, planning an event, or simply counting items, these numbers help us quantify our experiences. For example, if you are organizing a party and you need to know how many guests are invited, you would use cardinal numbers to keep track of the total number. This practical application of cardinal numbers demonstrates their importance beyond theoretical mathematics.Additionally, education systems around the world emphasize the teaching of cardinal numbers at a young age. Children learn to count using cardinal numbers, which lays the foundation for their future mathematical learning. Activities such as counting toys, singing number songs, and playing games that involve numbers help reinforce the concept of cardinal numbers in a fun and engaging manner.Furthermore, in the digital age, understanding cardinal numbers is more important than ever. With data analysis, statistics, and technology becoming integral parts of our lives, being able to interpret and manipulate cardinal numbers is a valuable skill. For instance, businesses rely on cardinal numbers to analyze sales figures, customer demographics, and market trends. Without a solid grasp of cardinal numbers, making informed decisions based on data would be challenging.In conclusion, cardinal numbers are fundamental to both mathematics and daily life. They help us quantify our surroundings, solve problems, and communicate effectively. From counting objects to analyzing data, cardinal numbers play a crucial role in various aspects of our lives. By fostering a strong understanding of cardinal numbers, we equip ourselves with the tools necessary for success in both academic and practical pursuits.

理解基数的概念在数学和日常生活中至关重要。基数是指示数量的数字。例如，当我们说“三个苹果”时，单词“三”代表一个基数，告诉我们有多少个苹果。这与表示位置或顺序的序数（如“第一”、“第二”或“第三”）不同。这两种数字类型之间的区别对于清晰沟通和有效解决问题至关重要。在数学中，基数构成了计数和算术的基础。它们使我们能够执行诸如加法、减法、乘法和除法等基本运算。例如，如果你有五个橙子并且再买三个，你可以使用基数来确定你现在有八个橙子。这种简单的加法是一项依赖于我们对基数理解的基本技能。此外，基数不仅限于整数。当我们讨论数量时，它们还可以包括分数和小数。例如，如果你有半个比萨饼，数字“0.5”就是一个基数，代表比萨饼的特定数量。从更广泛的意义上理解基数使我们能够应对各种现实场景，例如烹饪、预算和测量。在日常生活中，我们不断遇到基数。无论我们是在购物、策划活动，还是只是计算物品，这些数字都帮助我们量化我们的经历。例如，如果你正在组织一个聚会，需要知道邀请了多少客人，你会使用基数来跟踪总数。这种基数的实际应用展示了它们在理论数学之外的重要性。此外，世界各地的教育系统强调在幼年阶段教授基数。孩子们通过基数学习计数，为他们未来的数学学习奠定基础。数玩具、唱数字歌和玩涉及数字的游戏等活动有助于以有趣和引人入胜的方式加强基数的概念。此外，在数字时代，理解基数比以往任何时候都更加重要。随着数据分析、统计和技术成为我们生活中不可或缺的一部分，能够解释和操作基数是一项宝贵的技能。例如，企业依赖于基数来分析销售数据、客户人口统计和市场趋势。如果没有对基数的扎实掌握，基于数据做出明智的决策将面临挑战。总之，基数对数学和日常生活至关重要。它们帮助我们量化周围的事物、解决问题和有效沟通。从计算物体到分析数据，基数在我们生活的各个方面发挥着关键作用。通过培养对基数的深刻理解，我们为自己装备了在学术和实践追求中取得成功所需的工具。