probem造句

let me know if there's any probem
有什么问题通知我
d . x . xie, l . zhang and x . y . hu, least-square solutions of inverse eigenvalue probem of bisymmetric matrices, math . numer sinica, 1 ( 1999 ) 62-72
廖安平,谢冬秀,双对称非负定矩阵一类逆特征值问题的最小二乘解,计算数学,23:2(2001)209-218
abstract : analyzing the design and construction for retaining and protection in a continuation building excavation engineering, the probem is resolved during the construction and the expenses of the construction is cut down
文摘:分析了一扩建工程地下室的基坑支护设计和施工的情况，解决了施工中的问题，节约了投资
It's difficult to find probem in a sentence. 用probem造句挺难的