associativity

简明释义

英[əˌsəʊsɪəˈtɪvɪti]美[əˈsoʊsiəˌtɪvəti;əˈsoʊʃiəˌtɪv

n. [数] 结合性

英英释义

单词用法

同义词

反义词

例句

1.Statistical analysis was performed to evaluate the associativity between the type of the plaque and stroke.

经统计学分析，探讨斑块的不同分型与脑梗塞发生率的关系。

2.This property of composition is called associativity.

复合的这个性质叫做可结合性。

3.It has quite a few powerful switches and options to productions that I have not discussed — for example, specifying associativity.

它有很多可以作用于结果的强大的开关和选项，我还没有讨论到——比如指定关联性。

4.The precedence (Section 5.10.1, p. 168), associativity, or number of operands of an operator cannot be changed.

操作符的优先级(第5.10.1节)、结合性或操作数目不能改变。

5.This can override both the order of precedence and the left associativity.

这样可以同时覆写优先顺序和左顺序关联性。

6.Associativity specifies how to group operators at the same precedence level.

结合性规定了具有相同优先级的运算符如何进行分组。

7.The associativity of an operator defines the order in which operators of the same precedence are grouped (right-to-left or left-to-right).

操作符的结合性定义了相同优先级操作符组合的顺序(从右至左或从左至右)。

8.The full associativity with the Inventor design reduces errors when the model changes and facilitates the process when updates are received for models already machined.

与发明设计时充分结合性降低模型误差的变化，有利于更新时收到的模型已经加工的过程。

9.That is, precedence and associativity determine which part of the expression is the operand for each of the operators in the expression.

也就是说，优先级和结合性决定了表达式的哪个部分用作哪个操作符的操作数。

10.Understanding the associativity 结合性 of logical operators can help prevent errors in complex conditional statements.

理解逻辑运算符的associativity 结合性可以帮助防止复杂条件语句中的错误。

11.In programming, the associativity 结合性 of operators determines the order in which operations are performed.

在编程中，运算符的associativity 结合性决定了操作执行的顺序。

12.The associativity 结合性 of multiplication ensures that the product remains unchanged regardless of how the factors are grouped.

乘法的associativity 结合性确保无论因子如何分组，结果保持不变。

13.In mathematics, the property of associativity 结合性 allows us to group numbers in any way when adding or multiplying.

在数学中，associativity 结合性的性质允许我们在加法或乘法时以任何方式对数字进行分组。

14.The associativity 结合性 of addition means that (a + b) + c is the same as a + (b + c).

加法的associativity 结合性意味着(a + b) + c与a + (b + c)是相同的。

作文

In the realm of mathematics and computer science, the concept of associativity plays a crucial role in understanding how operations can be grouped. At its core, associativity refers to the property that allows us to regroup elements in an operation without changing the result. For instance, in addition, we know that (a + b) + c is the same as a + (b + c). This property is not only limited to addition but also applies to multiplication, where (a * b) * c equals a * (b * c). The essence of associativity lies in its ability to simplify complex calculations and make them more manageable.When we delve deeper into programming, the importance of associativity becomes even more pronounced. Many programming languages utilize operators that exhibit this property. For example, when using the addition operator in a programming language like Python, the order in which we perform additions does not affect the final outcome due to associativity. This allows developers to write code more intuitively and reduces the likelihood of errors arising from misinterpretation of operation sequences.Moreover, the concept of associativity extends beyond basic arithmetic and programming. In the field of databases, for instance, when performing queries that involve multiple joins, the way these joins are grouped can affect performance but not the final result. Understanding associativity helps database administrators optimize query performance while ensuring data integrity.In a broader context, associativity can also be observed in everyday life. Consider the way we approach tasks or projects. If a group of people is working on a project, the order in which they complete their tasks may vary, yet the overall outcome remains the same. This reflects the principle of associativity in action, as different combinations of task completions lead to the same end result.However, it is essential to note that not all operations are associative. Subtraction and division, for example, do not possess this property. The expression (a - b) - c does not equal a - (b - c), highlighting the importance of recognizing which operations are associative and which are not. This distinction is critical in both mathematical problem-solving and programming, as it influences how we structure our calculations and algorithms.In conclusion, associativity is a fundamental concept that permeates various fields, from mathematics to computer science and even into our daily lives. By understanding and applying the principle of associativity, we can simplify complex problems, enhance our programming skills, and optimize processes in various domains. As we continue to explore the intricate relationships between different operations, the significance of associativity will undoubtedly remain a vital aspect of our understanding and application of both theoretical and practical concepts.

在数学和计算机科学领域，结合性的概念在理解操作如何分组方面起着至关重要的作用。它的核心是，结合性指的是一种属性，它允许我们在不改变结果的情况下重新分组操作中的元素。例如，在加法中，我们知道(a + b) + c与a + (b + c)是相同的。这一属性不仅限于加法，还适用于乘法，其中(a * b) * c等于a * (b * c)。结合性的本质在于它能够简化复杂的计算，使其更易于管理。当我们深入编程时，结合性的重要性变得更加明显。许多编程语言利用具有这一属性的运算符。例如，在像Python这样的编程语言中，当使用加法运算符时，执行加法的顺序不会影响最终结果，因为有了结合性。这使得开发人员能够更直观地编写代码，并减少由于对操作顺序的误解而导致的错误。此外，结合性的概念超越了基本的算术和编程。在数据库领域，例如，当执行涉及多个连接的查询时，这些连接的分组方式可能会影响性能，但不会影响最终结果。理解结合性有助于数据库管理员优化查询性能，同时确保数据完整性。在更广泛的背景下，结合性也可以在日常生活中观察到。考虑一下我们处理任务或项目的方式。如果一组人正在进行一个项目，他们完成任务的顺序可能会有所不同，但整体结果仍然保持不变。这反映了结合性的原则，因为不同的任务完成组合会导致相同的最终结果。然而，必须注意，并非所有操作都是结合的。例如，减法和除法就不具备这一属性。表达式(a - b) - c并不等于a - (b - c)，这突显了识别哪些操作是结合的、哪些不是的重要性。这一区别在数学问题解决和编程中至关重要，因为它影响我们如何构建计算和算法。总之，结合性是一个基本概念，渗透到各个领域，从数学到计算机科学，甚至进入我们的日常生活。通过理解和应用结合性的原则，我们可以简化复杂的问题，提高编程技能，并在各种领域优化流程。当我们继续探索不同操作之间的复杂关系时，结合性的重要性无疑将继续成为我们理解和应用理论与实践概念的重要方面。