conservat相关论文
南京老城中,历史风貌区是“面”,历史街巷道路是“线”,历史建筑是“点”。为形成完整的老城历史风貌街区,在划定“面”与保护“点”的......
Symmetries and Two Types of Non-Noether Conservation Laws of Birkhoffian System with Unilateral Cons
The symmetries and non-Noether conservation laws of Birkhoffian system with unilateral constraints are studied. The diff......

