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

Lap. Fold of metal which has been rolled or otherwise worked against the surface of rolled metal, but has not fused into sound metal.

折叠。经过轧制或采用其它方式加工的金属沿着轧制金属表面折叠起来，但并未被熔合成完好金属。

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

Handmade from the tough bark of the Tara Wing-Celtis or Blue Sandalwood tree and rice straw, Xuan paper is known for its strong, smooth surface, its ability to absorb water and moisten ink, and fold repeatedly without breaking.

UNESCO: Culture