模块划分的原则是什么?
参考答案:
模块划分的原则:
(1)低耦合,高聚合原则
(2)作用范围应在控制范围内
(3)合理的模块扇入和扇出数
(4)合适的模块大小
环比指数
— I'm sorry to keep you waiting.
— Oh, not at all. I here for only a few minutes. [ ]
A. was
B. is
C. have been
D. had been