识别号码的英文：
identification number

A line of people is formed for identification.
人们排成一行等待确认身份。

Jewellery identification is a hard job.
珠宝鉴定不是一件容易的工作。

They adopted a foolproof identification system.
他们采用了一种绝对可靠的识别系统。

The elements of identification have multiple dimensions.
元素的身份标识有多个维度。

Ensure the effectiveness and identification of document.
确保文件的有效性,并得到明显的识别。

The number was fifty.
该数字为五十。

There is safety in numbers
人多势众

It was an irrational number.
这是一个无理数。

Which number on the card is a prime number?
在卡片上哪一个数字是最初的数字？

The number raised to the logarithm of a designated number in order to produce that designated number.
被升到指定数字的对数上的数量,是为了得到那被指定的数目。