生成元；發(fā)電機; 發(fā)生器（名詞generator的復數(shù)形式）

We can easily answer questions in terms of the generators. 我們容易回答有關生成元的問題。

Some nonclassical potential symmetry generators and group-invariant of heat equation and wave equation were determined. 主要研究了熱方程與波方程的非古典勢對稱群生成元及相應的群不變解。