usability

They demand let's go up about on sale class .if usability acqierement speak chop chop ,employee conference accomplish do more accident.

他们要让我们去上关于拍卖的课。如果我们能学快点，员工会议上就会做更多的事。

We then summarize 31kinds of problems in usability, fault-tolerance, efficiency, installability and document.Finally, the instance of software testing is provided.

通过对软件质量的度量，总结了软件在易使用性、容错性、易安装性及文档资料方面容易出现的31类问题，给出了对软件进行测试的实例。