Check your output for Spaces, blank lines, etc against the problem output specification.

检查您输出的空格和换行是否和题目要求一致。

youdao

So one of the things I want you to notice here is that testing and debugging are not the same thing. When we test, we compare an input output pair to a specification.

这里我想大家注意的一件事,就是测试和调试是不同的两件事情,我们测试的时候，我们把输入输出,跟程序的规格说明书对比下。

麻省理工公开课 - 计算机科学及编程导论课程节选

The output specification is the document on which the private sector will base its tender but is also the basis for the technical specification in the final contract document.

BBC: How private bids work

Under the PPP route the specification is "output" based - the authority will specify the level of service it wants delivered and leave the private sector to decide on the best way to deliver that particular service.

BBC: How private bids work