常用纸张分类（Common paper classification）Common paper classification Newsprint Commonly known as white papers, is characterized by soft porous, institutional strength, a good absorbent, can make the ink leaking in a very short time.Transparent and free of dirt when folded; used for printing ...
Supported retrievable thumbnail widths for items are 200 pixels (default), 400 pixels, 800 pixels, and 2400 pixels, with an aspect ratio of 1.5:1. Other specified sizes will be snapped to the next highest supported dimension for query. If the original image dimension is smaller than the si...