This is the 7852nd most frequent Chinese word.
離及
"離及" is not a commonly used term or phrase in Chinese. It may be a typo or require clarification.
In this sentence, '離及' is used to indicate the connection between the professor's opinions and the theory's application.
你要了解那位教授的意見離及這個理論的應用。
You need to understand how the professor's opinions relate to the application of this theory.
Here, '離及到' conveys the idea of the scope covering or extending to various areas.
問題的研究範圍離及到多個學科的交叉領域。
The scope of the research question extends to multiple interdisciplinary areas.
'離及' in this context is employed to describe the involvement or inclusion of various factors in a process or phenomenon.