例句與造句

1. He established the spectral theory for bounded symmetric operators in a form very much like that now regarded as standard.
2. The spectrum of any bounded symmetric operator is real; in particular all its eigenvalues are real, although a symmetric operator may have no eigenvalues.
3. A general version of the spectral theorem which also applies to bounded symmetric operators ( see Reed and Simon, vol . 1, chapter VII, or other books cited ) is stated below.
4. It's difficult to find bounded symmetric operator in a sentence. 用bounded symmetric operator造句挺難的