下列项目中,()不是衡量数据传输系统好坏的重要指标。
A.传输速率
B.差错率
C.使用率
D.可靠性
参考答案:C
Swift is a master satirist. His satire is usually masked by an outward gravity and an apparent earnestness which renders his satire all the more powerful. His "A Modest Proposal" is generally taken as a perfect model.
透平运转一段时间的目的是为了将终止剂能够比较均匀地分布在反应器中,从而避免大块料的产生。