一种插入一些无意义字符的处理方法。例如，在一个字段、记录或固定长度数据块的不用部分插入空字符、零或空格。
The process of inserting meaningless characters, such as null characters, zeros, or spaces, into the unused portions of a field, record, or fixed- length block of data.
把数据元放入各个字中的相邻二进制位上，从而能最大限度地利用存储空间的处理方法或过程。
The process of making the most effective use of storage by placing data elements into contiguous bit positions of words.
计算机程序设计中的一种处理方法，即重复进行相同的一系列处理步骤，直到一个预定的状态或转移条件实现时为止。
In computer programming, a process which repeats the same series of processing steps until a predetermined state or branch condition is reached.
