subsection，英语单词，主要用作名词，作名词时译为“分段，分部；细分；小部分”。
单词用法
柯林斯英汉双解大词典
subsection /ˈsʌbˌsɛkʃən/ ( subsections )
1.N-COUNT A subsection of a text or a document such as a law is one of the smaller parts into which its main parts are divided. (文本或文件中的)细分 [also N num]
短语搭配
typical subsection 典型分段
the division of subsection 分段的划分
solution of subsection and combination 分段联解法