invertibility

1.This paper is a study on the invertibility of the commutator of scalar-idempotent elements and scalar-involutory elements of a unitary ring.

本文研究在一个有单元环中两个倍幂等元子与两个倍对合元子逆性。

2.The reversible gel is a kind of high molecular polymer.It has peculiar thermal invertibility and peculiar thermal sensitivity.

逆凝胶是一种高分子聚合物，具用独特逆性。