Based on the elastic theory of liquid crystal and variation theory, the effect was studied, and the differential equation and boundary condition about the director of liquid crystal were obtained.
基于液晶弹性理论研究了这一效应，通过变分理论得到了液晶指向矢满足的微分方程及边界条件。
参考来源 - 向列相液晶中挠曲电效应的理论研究This study aims at making use of the variation theory to examine the relationship between learner’s autonomy and teacher’s scaffolding.
本研究旨在运用变易理论来考察学生自主学习和教师帮助之间的关系问题。
参考来源 - 变易理论:学生自主学习和教师帮助之间的关系·2,447,543篇论文数据，部分数据来源于NoteExpress
Variation theory and continuous quality improvement.
波动理论和连续质量改进。
The main results are as follows. 1. Variation theory and continuous quality improvement.
本文的主要研究内容包括： 1．波动理论和连续质量改进。
The translation variation theory, presented by Huang Zhonglian, is just one of the innovative translation theories.
黄忠廉提出的变译理论正是这诸多新兴翻译理论的一分子。
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