symmetry self-dual lie algebras 对称自对偶李代数
The dual symmetry of Legendre transformation is studied.
指出热力学关系具有勒让德变换的对偶对称性。
This paper presents a new method that PIR-P dual loop control based on rotating coordinates to improve the output voltage symmetry of inverter under the serious unbalanced load condition.
为改善逆变器系统在严重不平衡负载情况下输出电压的对称性，文中提出一种新颖的控制策略——旋转坐标系下的PIR - P双环控制。
The optical element forms dual mode structure in low symmetry. The invention raises structural performance band gap of photon crystal, and obtains even structure of photon crystal in large area.
能形成低对称性的双模结构，有利于光子晶体带隙结构性能的提高，获得大面积均匀的光子晶体结构。
应用推荐