1·This identifier may be a character string, numeric, or alphanumeric value.
这个标识符可以是字符串、数字或字母数字值。
2·This converts the character string contained within or passed into the function to a correct SQL statement.
这将把函数内包含的或传递到函数中的字符串转换为正确的sql语句。
3·A MAC address is a unique character string, and since it identifies a specific physical device — one individual NIC — the MAC address, by convention, never changes for the life of the NIC.
一个MAC地址是一个独一无二的字符串。由于它标识一个独特的物理设备——一个唯一的网卡——MAC地址，按照约定，在网卡中将永不会改变。
4·And since this script will always generate the same number for the same character string on any system, the need for storing the UID number in a spreadsheet or database is eliminated.
另外，因为这个脚本可以在任何系统上为相同的字符串生成相同的数字，所以不需要把uid号存储在电子表格或数据库中。
5·Then, we parse the character string into individual words and store in the computer memory as list.
然后，将字符串解析为单个单词并以列表形式存储到内存中。