编号英文的简写

No.2，它的中文意思是数字二或者编号二的意思，No，是英文number的简写。

释义:

数字number

英 [ˈnʌmbə(r)]美 [ˈnʌmbər]

n.数字；数；数量；编号；序数；(电话、传真等的)号码v.标号；给…编号；总计；共计；数以…计；把…算作；(被)归入

举例:

1.This species of bird is decreasing in numbers every year. 这种鸟的数量在逐年减少。

2.The number of reported crimes is increasing at an alarming rate. 报警案件的数量正在以惊人的速度增长。

3.A large number of people have applied for the job. 许多人申请了这工作。

4.The number of new students decreased from 210 to 160 this year.

5.The university is ranked number one in the country for engineering. 在工程学领域上，这所大学位居本国第一。

序号的英文是serial number，缩写是S/N，释义：序号，序列号，轴号。例句：A user ID and serial number will be sent to your mailbox.用户ID和序列号将发送到您的邮箱。

1、Each name had a serial number and linked to background files.

每一个名字对应一个序列号和相关的背景资料。

2、This displays the corresponding machine type, model number, and serial number.

这显示相应的机器类型、型号和序列号。

3、Automatic serial number scanning and software information detection greatly reduces cumbersome data entry.

序号自动扫描和软件信息检测极大地降低了繁琐的数据输入。

4、Matched the serial number to her medical records.

和她病历档案的序号吻合。

No.2表示同类别作品编号是第二号。

number，英文单词，主要用作名词、及物动词、不及物动词，作名词时意为“数；（杂志等的）期；号码；数字；算术”，作及物动词时意为“编号；计入；数…的数目；使为数有限”，作不及物动词时意为“计入；总数达到”。

例句：

We should go. - I have my number.

我们该走了。 -我的电话号码。

Do you have her number?

你有她的号码吗？

Do you have his number?

你有他的号码吗?