数据仓库提供了用于______的有效途径。
参考答案：决策支持
We are sure that scientists will _____ a way to solve the difficult problem . [ ]
A. put up
B. come up with
C. look up
D. come up
9PSPC对船舶建造过程中钢板的表面处理等级是如何要求和规定的？
