The rolling friction is substituted for sliding friction results in a considerable reduction in friction.

如果滚动摩擦代替了滑动摩擦，摩擦力将大大减少。

youdao

The fine grain and narrow HAZ were found in friction stir weld and the dynamic recrystallization produces fine grain.

焊核区由于动态再结晶具有细小的等轴晶粒，旁边存在一个特殊的组织形貌——热机影响区域。

youdao

If you step anywhere other than your big toe, you'll quickly feel a difference in friction andhave to make the necessary adjustment.

这样一旦用除大脚趾以外的任何部位踩点，你都会迅速感觉到摩擦力的不同然后要做出调整。

youdao

But Ares will use new methods in metal-working science such as friction stir welding.

VOA: special.2009.12.30

And we have not had the kinds of friction that's been seen in the past.

VOA: standard.2009.12.12

Of course,the biggest difference between the two bills, and one likely to cause the most friction in House-Senate negotiations, involves the so-called "public option" or competing insurance the government would offer.

VOA: standard.2009.12.25

"We're finding that when you rub a natural biological surface that has an orientation - that has a grain, if you will - and you run that grain perpendicularly to the long axis of the ridges, we find a dramatic increase in friction, " Dr Dominy told BBC News.

BBC: Artificial finger tests evolutionary origin of prints

"Whereas personality similarity is likely to facilitate this process, personality differences may result in more friction and conflict in daily life, " she said.

BBC: NEWS | Health | Similarity 'makes happy marriage'

The global move toward state-run industries is running into a bit of friction in Germany.

FORBES: Protectionism Prevails Worldwide