1) ancestordescendant relationship
祖先后裔关系
2) Ancestor-descendant relationship
祖先-后裔关系
3) ancestor/descendant
祖先/后裔
1.
It was very important to quickly and effectively judge whether the two elements had relationship of ancestor/descendant.
其中如何快速有效地判断两元素是否具有祖先/后裔关系最为关键。
4) ancestor/descendent relationship
祖先/后代关系
1.
Nowadays query for XML document is a hotspot of research,in which twig pattern matching is an important direction of research,but most algorithms based on the method can only process query containing ancestor/descendent relationship.
目前,XML文档查询是研究的热点,其中小枝模式匹配方法是重要的研究方向,但是大多数基于这种思想的算法只能处理包含祖先/后代关系的查询。
6) descend through the male line
父系后裔
补充资料：祖先
①民族或家族的先辈：歌谣叙述了族人的祖先来到湖边开创繁衍的历史｜子继父业，孙踵祖先。②演化出现代生物的古代生物：鸟类的祖先是始祖鸟｜类人猿是人类的祖先。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条