A slew of products , from games like nintendo 's brain age to more sophisticated computer-assisted software , are marketed at consumers worried about losing their mental sharpness .
A funny man is considered to be ' quick ' , and strangely enough , cardiovascular activity increases the ' sharpness ' of the mind .
一个有趣的人应该反应很快，并且足够古怪，心血管活动增加了思维的敏锐性。
Now studies are revealing that advantages of bilingualism persist into old age , even as the brain 's sharpness naturally declines , bialystok said friday at a meeting of the american association for the advancement of science in washington , d.c.
We talk about focus , depth of field and sharpness , as well as how lenses work , what focal lengths mean and how they put light on the sensor .
我们谈论焦点、景深和锐度，以及镜头如何工作、焦距的意义和感光的过程。
Another feature of the new street view maps isa configuration menuwhich allows you to customize settings like image sharpness , brightness , quality , and projection or the curved effect .
