...关系,因为子类的每个实例也都是父类的实例。 大的中空箭头表示泛化。箭头指向父类。花括号表示UML注释。 泛化是可传递的,可以跨越任意层次。术语祖先(ancestor)和后代(descendant)指的是跨越多层的类的泛化。子类实例同时也是其所有祖先类的实例。
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ancestor worship 祖先崇拜 ; 祭祖 ; 清明过纸 ; 敬奉祖先
ancestor node 先辈节点 ; 原始节点 ; [计] 祖先节点
Select Ancestor 选择当前物体的父物体
common ancestor 共同祖先 ; 共同的祖先
Ancestor Stone 祖先之石 ; 祖传宝石 ; 家传宝石
ancestor element 祖先元素 ; 上级元素 ; 上阶项目
wild ancestor 野生原种
Hall of Ancestor 念祖厅
of the Ancestor 人之 ; 祖宗之
Three finless porpoise populations in Chinese waters had a common ancestor before 058~108 Mya ago.
各种群在距今58~108万年以前有一个共同祖先。
参考来源 - 中国水域江豚种群遗传变异的研究Wild lotus is the ancestor of cultivar lotus, and serve as a natural gene bank for breeding of fine lotus varieties.
野生莲是栽培莲的祖先,是培育优良莲品种的天然基因库。
参考来源 - 黑龙江流域野生莲的遗传多样性·2,447,543篇论文数据,部分数据来源于NoteExpress
同义词: ascendant ascendent antecedent root
以上来源于: WordNet
N-COUNT Your ancestors are the people from whom you are descended. 祖先 [usu pl, with poss]
...our daily lives, so different from those of our ancestors.
…我们的日常生活,与我们祖先的生活如此不同。
N-COUNT An ancestor of something modern is an earlier thing from which it developed. 物种原型
The direct ancestor of the modern cat was the Kaffir cat of ancient Egypt.
现代猫的直系物种原型是古代埃及的卡菲尔猫。
Her Chinese friends referred to the empress as their venerable ancestor.
她的中国朋友们称那位皇后是令他们尊敬的祖先。
Their ancestor is different from that of micro bats.
它们的祖先与微型蝙蝠的祖先不同。
My ancestor was a preacher, traveling around the countryside.
我的祖先是一位游历于乡间的传教士。
He says they are part of the genome of the last common ancestor of all birds,frogs, dinosaurs and mammals.
VOA: special.2010.06.29
We can say today that this university is a direct ancestor of the platonic republic of Plato's Academy.
我们可以说现今这间大学的直系原型,即是,“柏拉图学院“的,柏拉图式理想国。
So then there's the whole idea--we've already given you some sense that the Greeks were ancestor worshippers.
所以这就是当时的情况,我告诉过你们,古希腊人对祖先甚是尊敬
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