linear operator theory的用法和樣例：
例句
- Finally some shortages currently available in the study of linear operators defined on probabilistic normed spaces are also pointed out.
亦指出了在概率賦范空間上線性運算元理論研究中目前存在的不足。 - Operator theory, like every other part of mathematics, cannot be properly studied without a large stock of concrete examples.
運算元理論如同數學的每一其它部分，如果沒有大量具體例子作為儲備，就不能真正地進行理論考察和研究。
