number of issues

• 若干问题

number of issues的用法和样例：

例句

1. Finally, it identifies certain pres-sing issues awaiting to be studied and coped with in future flood control works.
   最后，提出了面向未来防洪事务的亟待研究与解决的若干问题。
2. This article also mentions some issues which attention should be paid to in its modeling.
   讨论了石油化工企业模型化中应加以注意的若干问题。