做双亲的

The "Prufer" code of such a tree is built as follows: the leaf (a vertex that is incident to only one edge) with the minimal number is taken. This leaf, together with its incident edge is removed from the graph, while the number of the vertex that was adjacent to the leaf is written down.

从题目描述我们可以知道，对于一棵树，每次都找到编号最小的叶子结点，然后输出它的双亲结点的编号作为 Prufer Code，同时删除这个最小的叶子结点为下一次输出 Prufer Code 做准备。

Tom's parents acted at cross purposes in advising him; his father wanted him to become a doctor; but his mother wanted him to become a minister.

汤姆的双亲给他的忠告不一，两人的意见背道而驰；父亲要他成为医生，但母亲要他做个牧师。

I wish either my father or my mother, or indeed both of them, as they were in duty both equally bound to it, had minded what they were about when they begot me

我希望我的父亲或是我的母亲，不，我的双亲，因为他们两人同样地对此都有义务，当他们生我的时候，曾注意到他们所做的事

Of remoter ancestors I can only discover one who did not live to a great age, and he died of a disease which is now rare, namely, having his head cut off.

虽然我的双亲很早就过世了，但我在选择其他祖先方面还是做得相当出色的。我的外祖父在 67 岁时就去世了，真可谓英年早逝啊！

Meanwhile, Kelantan Humanity School holds a Parent's Day celebration. To experience the hardship mothers bear during pregnancy, children stuff their stomach and do chores.

此外，吉兰丹人文学校也举办了双亲节庆祝活动；为了体会母亲怀孕的辛苦，孩子们挺著枕头大肚子做家事。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐