1) quadrilateral relationships
四角关系
2) polyomino
[,pɔli'ɔminəu]
四角系统
1.
The numbers of perfect matchings in some type polyominoes;
若干四角系统的完美匹配数
2.
The chain polyomino and it s number of perfect matching;
链状四角系统及其完美匹配数
3.
The Polyominoes with the Same Number of Blackand White Vertices Without Perfect Matching;
黑白顶点数目相等的无完美匹配四角系统
4) tetragonal crystal system
四角晶系
5) four relationships
四大关系
1.
The author,through combining the experience of teaching administration,proposes that university and college teaching administration should deal with well four relationships,hoping to provide some advices for higher education teaching and administration.
本文结合实际简要阐述了高等学校教学管理工作要处理好的四大关系,力争为高校教育管理和教学提供一些可资借鉴的有益经验。
6) four relationships
四个关系
1.
Deal well with four relationships in accordance with 16-word policy;
贯彻“十六字方针”应处理好四个关系
2.
This article discusses the question from the following aspects:why democratic centralism should be carried out;correctly handle four relationships;and catch hold of five links.
对此 ,本文从为什么要实行民主集中制、正确处理好四个关系以及抓住五个环节等方面展开了论
补充资料：四角
1.指方形物的四个角。 2.指建筑物顶四方的四个飞檐。 3.东汉时匈奴左贤王﹑左谷蠡王﹑右贤王﹑右谷蠡王的合称。
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