While smooth surfaces send back a reversed, right-polarized wave, rough areas return left-polarized waves.

光滑表面会反射一个反向的优选极化波，而粗糙地区的反射波是左旋极化波。

youdao

The latest research on wave height and return period doesn't address Padang's needs; the real problem is simply that there is not enough time to evacuate.

最近关于海浪高度和周期研究以满足巴东人的需求，现实问题是没有足够的时间撤离。

youdao

Not only that, but when a wave threatened to return the seal to danger, the humpback used its massive flipper (at five metres, the longest in the animal kingdom) to nudge it back on.

不仅如此，当一个浪头即将把海豹扫回险境之时，座头鲸还利用它的巨大的鳍状肢(五米长，动物王国中最长的)把它轻轻地推了回来。

youdao

But in return,Heller's surfing adventure helped him learn a valuable lesson about catching the perfect wave in life.

VOA: standard.2010.08.04

The scores who return daily to wave faded photos of those long lost have sad tales to tell.

ECONOMIST: Postwar Iraq

On their return they triggered a new wave of film making whose output was fresh and impertinent, if at times naive.

ECONOMIST: The Kazakh film industry

Many of Baghdad's ranking police officers were on hand as Mohammed Mussen al Zubaydi urged them to help return security to the streets and halt a wave of looting.

CNN: Baghdad civil servants mull resuming work