A heading node may, in turn, contain subheading nodes (level 2) and may also contain some sentences.
一个标题节点,依次,可以包括子标题节点(层次2),还可以包含有一些句子。
2
Figure 6 lists a few different potential sub-types of problems under the general problem heading of "Application performs poorly or unexpectedly," which Kathy had selected.
图6列出了一些不同的、可能的子类型,这些子类型都隶属于标题为“Application performs poorly or unexpectedly”的问题,即Kathy所选择的类型。
3
This user has chosen bold formatting for a main heading and bold plus italics for a sub-heading.