The study of two phases flow(water and air)is a more concerned problem in unsaturated zone under infiltration condition.

降雨条件下非饱和带水-气二相流问题是目前国内外研究备受关注的问题。

youdao

Ensurance of body and property becomes a more-and-more concerned problem for them, tour insurance is becoming a new growing point of tourism and insurance industry.

人身和财产的保障已成为旅游者和旅游经营者越来越关心的问题，旅游保险正成为旅游业和保险业中的一个新的经济增长点。

youdao

Nowadays, more and more people are concerned about the problem.......

现在越来越多的人开始关注……的问题。

youdao

And folks who think spending really is our biggest problem should be more concerned than anybody about improving our infrastructure right now.

WHITEHOUSE: President Obama Speaks to National Governors Association