This can be restated as follows: the program should operate the same, irrespective of its source of input (a file, a pipe, or the terminal) and of its output destination.

该特性可以重新叙述如下：不管程序的输入源(文件、管道或终端)和输出目的地是什么，程序都应该以同样的方式工作。

youdao

Import the program source (for example, a COBOL copybook) and generate metadata describing the input and output of the program.

导入程序源文件(例如，COBOL copybook)并生成描述程序输入和输出的元数据。

youdao

For each input pair, your program should produce a sorted list of valid sequences of I and o which produce the target word from the source word.

对于输入的每一对字符串，你的程序应该按顺序生成所有的有效的进出栈操作列表，其中的每组操作都能使原字符串转变为目标字符串。

youdao