Then, we can use the mask and object layers to composite the final image.

然后，我们使用遮罩和物体层来合成最终图像。（清美动漫）

youdao

The image of the different object layers may be reproduced successively from the coded image by means of computerized decoding.

采用计算机解码方法从编码图像中依次再现出不同的物 体层的图像。

youdao

Printing in 3D involves sending a design file to a printer that then forms a solid version of that object by slowly building it up in layers of plastic.

BBC: Nokia backs 3D printing for mobile phone cases

There are obviously some very able and very serious people in the business, but they are forced to use the procedures appropriate to this kind of market in which the ultimate object, better health, is concealed under a dozen layers of advertising, chicanery and what-not.

FORBES: How To Solve The Health Care Crisis