theoretical
单词辨析：
强调抽象性。
Abstract ideas sometimes cannot match facts.
抽象概念有时会与事实不符。
It is difficult to read abstract theories.
抽象的理论很难读。
强调概念性的。
This conceptual theory comes from practical experience.
这一概念性理论源于实践经验。
Only human beings have the ability to think conceptual thoughts.
只有人类才有概念思维的能力。
强调基于理论而非实践经验的。
He studies theoretical physics.
他在读理论物理。
He believes only theoretical science can create miracles.
他认为唯有理论科学才能创造奇迹。
相关例句：
The investigation of the rationality of technique has theoretical meaning.
研究技术合理性问题具有重要的理论意义。
The theoretical results were verified using the experimental results on a61-element adaptive optics system.
用在61单元自适应光学系统上取得的实验结果验证了理论分析结果。
The results present a theoretical base for processing photonic device.
研究结果为光子器件的设计提供了理论依据。
So the research of internal environmental performance auditing has been theoretical and practical.
因此，目前进行企业内部环境绩效审计的研究具有一定的理论和现实意义。
I am interested in the interplay between practical and theoretical linguistics.
我对实用语言学和理论语言学之间的相互影响很感兴趣。
Therefore, this paper also attempts to carry on interdisciplinary to introduce some different disciplines and theoretical analysis methods.
因此，本文也努力尝试进行一种跨学科的研究，引入一些不同学科的理论和分析方法。