您要查找的是不是：
- main subject heading 一级主题
- You 'd better look under the subject heading. 您最好在主题栏下找。
- Mathematics is a main subject in middle schools. 数学是中学的一门主科。
- Background Area behind the main subject. 主调后面的范围。
- Choose a descriptive subject heading. 选择适当题目。
- Use a descriptive and informative subject heading. 使用突出主题内容的标题。
- Apart from the main subject;parenthetically. 顺便提起地与主题不同地;插入地
- You'd better look under the subject heading. 您最好在主题栏下找。
- Apart from the main subject; parenthetically. 顺便提起地与主题不同地；插入地
- His essay digress from the main subject. 他的文章离开主题。
- His essay digresses from the main subject . 他的文章离开主题。
- In library science, a subject heading or descriptor in an index. 在图书馆学中,索引中的主题标题或关键词。
- Female initiation themes is the main subject in novels of Atwood. 成长是一个复杂而又古老的话题,是人类普遍关注的问题。
- Hong Kong cityscape is the main subject of these images. 装置的图像主要是香港的城市景貌。
- The Tibetan language is the main subject of all schools at different levels. 各级各类学校的藏语文课是学生的主课。
- A passage between statements of a main subject or theme,as in a rondo or fugue. 插段在表现主题或主旋律之间的段落，如回旋曲和赋格曲中
- To turn aside, especially from the main subject in writing or speaking; stray. 离开主题远离，特别是指脱离写作或演说主题；跑题
- I'd like to depart from the main subject of my speech for a few moments. 我想暂时离开演讲的主要话题说几句话。
- As one of the two information retrieval languages, it consists of keyword language, system of subject heading, descriptor indexing. 主题法作为两种主要的情报检索语言之一，其功用在传统的文献检索中已经得到了充分的体现。
- To turn aside,especially from the main subject in writing or speaking; stray. 离开主题远离，特别是指脱离写作或演说主题；跑题。
