中文摘要：

给出了重构形所形成集合通有基底的概念及（1,2）-型二维重构形的定义,并构造了它们的通有基底。

英文摘要：

For a set of multiarrangements, we gave the concept of universal basis, offered the definition of （1 ,2 ）-type multiarrangement of two-dimensional,and also constructed the universal bases for all of them.