attack ad

experimental study on physical and mechanical characteristics of clay to hydrochloric acid attack ad hoc meeting on environment and economics

矿山酸性环境下粘土物理力学特性的试验分析环境与经济学特别会议

an ad hominem attack

人身攻击

So that's the difference between ad hominem attack, I don't know if that answered your question.

这是个人偏好攻击的不同，我不知道这是否回答了你的问题。

An ad hominem is an attack on the person making the argument not on the argument that he is making.

个人偏好是攻击某人，使论点不在已做论点之上。

For many companies, overhead reduction is the first line of attack when trying to reduce costs, yet many approach it in an ad hoc way.

许多公司谈及精简成本，首先想到的是从裁员着手，这只能称得上是临时措施。

That's an ad hominem attack, that's not a fallacy at all.

这是个人偏好攻击，这不是谬论。

on modelling improved attack trees of mobile ad hoc networks

移动ad hoc网络的改进攻击树建模方法研究