数据挖掘出现在信息处理的哪一阶段()。
A.信息收集
B.信息组织
C.信息分析
D.信息评价
参考答案:C
Consumption of the total life-cycle effort in software maintenance is()that in software development.
A.less than
B.larger than
C.equal or less than
D.equal or larger than
清人刘大观是如何评价扬、苏、杭的三地特色的?