该文还阐明了对二阶对称张量成立的关于特征方程的重根与重向的一些结论对非对称二阶张量不一定成立。
The paper illustrates the conclusions about the multiple root of characteristic equation and characteristic vector which fit symmetric tensor of rank two may unfit unsymmetric tensor.
第二部分工作则从前面合成得到的C3对称的三维骨架出发，通过动态共价化学的方法定量地合成得到了一系列刚性的纳米级荧光笼状结构。
In the second part, a readily modifiable structure with C3 symmetry was developed to quantitatively build a series of 3D shape-persistent fluorescent nanocages via dynamic covalent chemistry.
第二部分工作则从前面合成得到的C3对称的三维骨架出发，通过动态共价化学的方法定量地合成得到了一系列刚性的纳米级荧光笼状结构。
In the second part, a readily modifiable structure with C3 symmetry was developed to quantitatively build a series of 3D shape-persistent fluorescent nanocages via dynamic covalent chemistry.
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