alphanumeric
简明释义
英[ˌælfənjuːˈmerɪk]美[ˌælfənuːˈmerɪk]
adj. [计] 字母数字的
英英释义
Consisting of both letters and numbers, typically used to describe characters that can be either alphabetical (A-Z, a-z) or numeric (0-9). | 由字母和数字组成，通常用于描述可以是字母（A-Z，a-z）或数字（0-9）的字符。 |
单词用法
字母数字显示器 | |
字母数字字符组 |
同义词
| 字母数字的 | An alphanumeric password is more secure than a simple numeric one. | 字母数字密码比简单的数字密码更安全。 | |
| 字母数字字符 | The username must be alphanumerical, containing both letters and numbers. | 用户名必须是字母数字的，包含字母和数字。 |
反义词
| 数字的 | 密码必须仅为数字。 | ||
| 非字母数字的 | Please avoid using non-alphanumeric characters in your username. | 请避免在用户名中使用非字母数字字符。 |
例句
1.The UDID is a long string of alphanumeric characters which will appear in place of the serial number.
UDID是出现在序列号内的一长串文字数字式字符。
2.Text-a set of alphanumeric string values that do not fit other classifications.
文本(Text)—不属于其他分类的一组由字母数字组成的字符串值。
3.The node name structure consists of alphanumeric characters only.
节点名结构中只包含字母数字字符。
4.Then add a four-character alphanumeric identifier that uniquely identifies the logical volume followed by the characters lv.
然后，添加四个字符的字母数字标识符，字符lv后面的这个标识符可以唯一地标识逻辑卷。
5.QR codes are 2-D images designed to carry alphanumeric and other information.
QR码是一些 2-D图像，用来携带字母数字和其他信息。
6.It is interesting that only 4% of these passwords were dictionary words and the great majority is actually alphanumeric.
有趣的是，这些密码里仅有4%是字典里的单词，并且绝大多数实际上是字母。
7.To register for the online course, you must provide an alphanumeric 字母数字 ID.
要注册在线课程，您必须提供一个字母数字 alphanumeric ID。
8.You need to create a password that includes both letters and numbers, making it an alphanumeric 字母数字 password.
你需要创建一个包含字母和数字的密码，这样它就是一个字母数字 alphanumeric 密码。
9.The form requires an alphanumeric 字母数字 username, which means you can use both letters and digits.
该表单要求使用字母数字 alphanumeric 用户名，这意味着你可以使用字母和数字。
10.The software only accepts alphanumeric 字母数字 characters in its input fields.
该软件仅在其输入字段中接受字母数字 alphanumeric 字符。
11.Please ensure your code is alphanumeric 字母数字 to avoid any errors.
请确保你的代码是字母数字 alphanumeric 的，以避免任何错误。
作文
In today's digital age, the term alphanumeric (字母数字的) has become increasingly significant in various fields, including technology, education, and data management. Understanding what alphanumeric means is essential for anyone who interacts with computers or engages in online activities. Essentially, alphanumeric refers to a combination of letters and numbers that can be used in various contexts, such as passwords, usernames, and coding systems.The importance of alphanumeric characters cannot be overstated. For instance, when creating a secure password, it is recommended to include a mix of uppercase letters, lowercase letters, numbers, and sometimes even special characters. This mixture not only makes the password stronger but also ensures that it meets the criteria set by many online platforms, which often require alphanumeric combinations for enhanced security.In educational settings, students frequently encounter alphanumeric systems in grading and assessment. For example, a student's performance might be evaluated using a scale that combines letters (A, B, C) with numbers (1, 2, 3), allowing for a more nuanced understanding of their achievements. This alphanumeric grading system provides clarity and helps educators communicate students' progress effectively.Moreover, in programming and computer science, alphanumeric characters play a crucial role in various coding languages. Programmers often use alphanumeric strings to create variables, functions, and other essential components of software development. Understanding how to manipulate these alphanumeric sequences is fundamental for anyone looking to pursue a career in technology.Additionally, in data management, databases often utilize alphanumeric identifiers to categorize and retrieve information efficiently. For instance, a product code may consist of both letters and numbers, making it easier to track inventory and manage resources. This alphanumeric approach enhances organization and accessibility within large datasets.As we navigate through various sectors of our lives, the significance of alphanumeric characters continues to grow. From securing our online accounts to facilitating effective communication in educational environments, the integration of letters and numbers proves to be invaluable. It is essential for individuals to grasp the concept of alphanumeric combinations, as they are integral to modern technology and communication.In conclusion, the term alphanumeric (字母数字的) encompasses a vital aspect of our digital existence. Whether it is in crafting strong passwords, evaluating academic performance, writing code, or managing data, understanding and utilizing alphanumeric characters is crucial. As technology continues to evolve, so too will the importance of alphanumeric systems in our daily lives. Therefore, embracing this concept and applying it effectively can lead to greater security, efficiency, and clarity in various domains.
