The problem involved in this research is very complicated.

这项研究所涉及的问题很复杂。

youdao

In terms of the summation rule of random vectors, the approach effectively solves the problem involved in the effect of the harmonic emission on the individual voltage levels.

该方法基于随机矢量加法法则，考虑到不同电压等级之间谐波的相互渗透作用，提出了可行的解决途径。

youdao

The problem, needless to say, is the cost involved.

不用说，问题是所涉及的费用。

《牛津词典》

She says government has to be involved in requiring clear language because the marketplace has not dealt with the problem.

VOA: special.2010.04.30

The problem is that he has a-- these people have very tight schedules and he's involved in various takeovers and things right now.

问题是他的日程,华尔街的人日程都很紧张,他手头有好几桩收购案

耶鲁公开课 - 金融市场课程节选

The most serious problem involved Spain.

VOA: special.2010.07.15

The majority of news reports on the problem have involved iPad purchases at Walmart, although other retailers are not immune.

CNN: Open that iPad before you buy it

The report says that had the on-shore experts been involved in the problem, they very likely would have offered immediate advice or stopped work until the situation was better understood.

FORBES: Scathing Oil Spill Report Actually Good News For BP

Maybe if prosecutors across the country were made aware of the problem's extent, and the economic costs involved, they would be more inclined to take action.

WSJ: Matthew Lifflander: The Economic Truth About Lying