have influence in与have influence on的用法分别是：have influence in的in表示的是influence发生的环境，have influence on的on表示的是这个influence作用的对象。
扩展资料：
一.have influence in
例句：
1.Washington believes Pakistan continues to support the Taliban, a movement it publicly backedin the 1990s, in order to have influence in Afghanistan.
华盛顿相信巴基斯坦还在支持塔利班，巴基斯坦从上世纪九十年代开始公开支持塔利班以对阿富汗施加影响。
2.They are becoming more and more important and have influence in every field.
她们在各个领域愈来愈重要且具影响力。
二.have influence on
例句：
1.Now you realise that you don't really have influence on the dynamics of the systems in whichyou are.
现在你意识到，你对所处中的相互作用起不到什么影响。
2.You can provide granular security and access control so that different r oles and teams o lyhave influ ence on areas that are deemed acceptable.
您可以提供渐进式安全和存取控管，这样不同的角色和小组只对认为可接受的区域产生影响。
3.So, even though you may not have influence on how the business folks list their required feature s, you at least know what's going to make your customer most satisfied by the end of theproject.
所以，即使你可能没有能力影响商业机构列举所谓的的客户要求的特征清单，至少你知道什么东西能够使你的客户在项目结束后感到最满意。
参考资料：有道词典