In the case that the ancestor is an inline element, the containing block is the bounding box around the padding boxes of the first and the last inline boxes generated for that element.
在祖先是行内元素的情况下，包含块是由第一个和最后一个内联元素的内边距盒的包含盒构成。
2
A case retrieval algorithm is proposed which uses the volume ratio of 3-dimension component and its bounding box to extract feature values.