i touch on meaning in English

关系到.涉及

I touched on this in a previous installment see
上一期文章（请参阅
I touched on the impact of metadata on an aop system s modularity , and concluded with a refactoring example demonstrating the gradual introduction of metadata annotation into an aop system
在第一部分中，还介绍了元数据对aop系统的模块性的影响，最后，还重新构建了一个例子，以说明如何在aop系统中逐步添加元数据注释。
In my earlier foaf article , i touched on the possibilities that exist when foaf descriptions are aggregated , and showed the value that can be obtained by gathering a community s knowledge in one place
在我较早的foaf文章中，我略微谈到了当聚集foaf描述时可能发生的事情，并演示了将社区知识集中在一个地方可以产生的价值。