The results show that the direct radiation effects are different, because of the difference in the amount of the fold surface of the lamellae of PA1010;

结果表明，辐照的直接作用结果由于结晶表面积的差异而不同；

youdao

Nanotechnologists could link DNA “tiles” into a sheet, or fold a long strand of DNA back on itself again and again until it formed a flat surface.

纳米技术学家们能够将DNA“砖块”连成一大片，或者将一条长链的DNA反复折叠以形成一个平整的表面。

youdao

Wider hinges also fold faster, because there is more surface area to absorb energy.

折痕角度越大，吸热表面积越大，也可以折叠的更快。

youdao

It consisted of a 100-electrode panel about the size of a baby aspirin that was placed on the surface of the brain at a fold in the motor cortex where hand movement is controlled.

FORBES: Technology

With two seats facing each other, one passenger would take the top bunk and the other would fold the two seats into one lie-flat surface.

WSJ: Remedy the Squeeze in Airplanes' Coach Cabins

This entitles you to twin bunk beds (seats by day, convertible at night), your own bathroom, a whole lot of tiny folded towels Amtrak doesn't give you much but they love to give you towels a fold-down table with a checkerboard on the surface and an incomparable feeling of coziness and well-being.

WSJ: Train Travel: Adventure on the Rails