optional member
... optional label 可选标号 optional member 可选成分 optional pause instruction 可选停机指令 ...
基于130个网页-相关网页
·2,447,543篇论文数据，部分数据来源于NoteExpress
根据哈桑的语类结构潜势理论，语类结构由必选成分和可选成分及其重复成分和顺序组成。
According to Hasan's generic structure potential theory, a generic structure is constituted of the obligatory elements, the optional elements, their recursive elements and their sequence.
youdao
应用推荐
模块上移
模块下移
不移动