On the basis of the joint tree model, an embedding of a graph on a surface can be rep-resented by a joint tree, further by an associated surface of it.
在联树模型的基础上，把图在曲面上的嵌入用其联树，也即其关联曲面来表示。
In this paper, We obtain the total genus polynomials for two new classes of 4-regular graphs by using the joint tree model of a graph embedding introduced by Yanpei Liu.
本文利用刘彦佩提出的嵌入的联树模型，得出了两类新的四正则图的完全亏格多项式，并推导出已有结果的两类图的完全亏格多项式。
In this paper, We obtain the total genus polynomials for two new classes of 4-regular graphs by using the joint tree model of a graph embedding introduced by Yanpei Liu.
在刘彦佩提出的联树法的基础上，通过分类一类新图类的可定向嵌入曲面求出了这类图类的可定向嵌入的亏格分布。
Eurosilva should support joint European research on tree diseases and their physiological and biochemical aspects.
Eurosilva应该支持欧洲关于树木疾病及其生理和生化方面的联合研究。
In apes the joint surface points in a different direction, so that the big toe can pull away from, and grasp against, the other toes to grip on to tree limbs.
而在猩猩的足部，内侧楔骨的关节面则指向相反方向，将大脚趾从其他脚趾边推开，以便于更好的抓握树干。
Simultaneously, the query method is based on tree control and simple joint chart to save time.
同时，采用了基于树控件和基本连接图相结合的图形化查询方法。
I'm confident through our joint efforts, the tree of friendship between China and Africa will remain ever-green and our mutually beneficial cooperation even more prosperous.
我相信，在你们河中国青年朋友的努力下，中非友谊之树一定能够万古长青，中非互利合作一定能够更加兴旺！
This paper introduces water tree aging theory of XLPE cables and insulated characteristic of water tree aged XLPE cables. Temperature of XLPE cable joint and relation with water tree are analyzed.
本文介绍了交联聚乙烯电力电缆的水树老化机理及含水树电缆的绝缘特性，并分析了交联聚乙烯电缆连接头中温度指标重要性及其与水树的关系。
It is shown by the CART test that the classification and regression tree can satisfactorily accomplish the task of classification and prediction of the joint of welded spot.
CART测试结果表明，分类回归树可以较为满意地完成焊点接头强度的分类、预测任务。
Fruit tree production gradually to stock cooperation system, joint stock system transition, realization large-scale management.
果树生产逐步向股份合作制，股份制过渡，实现规模经营。
Fruit tree production gradually to stock cooperation system, joint stock system transition, realization large-scale management.
果树生产逐步向股份合作制，股份制过渡，实现规模经营。
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