predetermined code meaning in English

预先编定的号码系统
预先制订的编码

The code advisor for visual basic 6 is an add - in used to review your code to ensure that it meets predetermined coding standards
Code advisor for visual basic 6是一个外接程序，用来检查您的代码以确保达到预先确定的编码标准。
A cryptographic system in which units of plain text of regular length , usually letters , are arbitrarily transposed or substituted according to a predetermined code
密码一种密码系统，其中固定长度的明文里的单元，通常为字母，被任意倒置或按事先确定的符号系统替换