cardinality 基础释义
cardinality 意为“基数;种数;重要性”。
cardinality 发音
英 [?kɑ?d??n?l?t?] 美 [?kɑ?rd??n?l?t?]
cardinality 英语范文
Title: The Cardinality of a Set
In mathematics, the cardinality of a set is the number of elements in the set. For example, the set of all prime numbers has a cardinality of two, because it contains only two elements (2 and 3). On the other hand, the set of all even numbers has a cardinality of infinity, because it contains an infinite number of elements. Understanding cardinality is crucial for understanding the size and structure of sets.
cardinality 英语作文音标和基础释义
Cardinality is a term used in mathematics to describe the number of elements in a set. For example, the set of all prime numbers has a cardinality of two, because it contains only two elements (2 and 3). On the other hand, the set of all even numbers has a cardinality of infinity, because it contains an infinite number of elements. Cardinality is important because it helps us understand the size and structure of sets.
cardinality基础释义
Cardinality是一个数学术语,指的是集合中元素的数量或种类。在统计学中,它通常用于描述数据集中不同类别的数量。
cardinality发音
Cardinality的发音为['kɑ?d?n?lt?]。
cardinality英语范文
题目:根据数据集分析cardinality
最近,我们收集到了一些关于城市居民出行方式的数据。通过对这些数据的分析,我们可以了解到城市中各种出行方式的cardinality。
首先,我们统计了城市中不同出行方式的数量。根据统计结果,我们可以发现公交车的cardinality最高,其次是步行和自行车,而私家车和出租车相对较少。这可能是因为公交车覆盖范围广、价格便宜、环保等特点吸引了大量乘客。步行和自行车则因为方便、健康、环保等原因也受到了很多市民的青睐。而私家车和出租车则因为拥堵、停车难等问题,相对较少使用。
通过这个数据集的分析,我们可以更好地了解城市居民的出行习惯和偏好,为城市规划和交通管理提供更有价值的参考。同时,这也提醒我们,在城市规划和建设中,应该更加注重公共交通设施的建设和优化,提高出行便利性和环保性。
总的来说,cardinality是一个非常重要的概念,它可以帮助我们更好地理解数据集的特点和规律,为我们的研究和工作提供有力的支持。
cardinality
释义:基数;种数;重要性
发音:[?kɑ?d??n?l?t?]
英语范文:
The cardinality of a set is a measure of its size. It tells us how many elements are in the set. For example, the set {1, 2, 3} has three elements, so its cardinality is three. On the other hand, the set {a, b, c, d, e} has five elements, so its cardinality is five. Cardinality is an important concept in mathematics and it helps us understand how sets are related to each other.
Cardinality can also be used to measure the diversity of a set. For instance, if we have two sets with the same cardinality but different elements, they may have different meanings or importance. Therefore, understanding cardinality and its variations is crucial for mathematical reasoning and problem-solving.
In conclusion, cardinality is a fundamental concept in mathematics that helps us understand the size and diversity of sets. It is essential for mathematical reasoning and problem-solving and it can be applied to various contexts, from counting to measuring diversity.

