The material also has small spheres of porous silicon embedded in it. Their function is twofold.
该材料内嵌入小多孔硅球体，有双重作用。
2
The material is composed of metal nanoparticles embedded in a transparent composite matrix.
这种薄膜的材料是金属纳米粒子，它们被排列在透明的复合矩阵中。
3
The iPad will offer publishers a chance to come up with enhanced e-books that contain images, links, background material, embedded audio and even video.