Besides, the principle to select the number of structure modes based on the divergence eigenvector in the mode method and the flutter method is produced.

另外，还提出了在模态法和颤振法中基于发散特征向量的结构模态选取原则。

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The first principle is the full confirmation of great contributions by new character forms in terms of the transference from divergence to unification.

第一，充分肯定新字形的重要贡献，就是变分歧为统一。

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Darwin called this the principle of divergence.

达尔文把这个称为性状趋异原理。

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