本文基于反对称矩阵的谱集,采用正交相似变换,得到一类具有零对角的符号模式矩阵具有唯一惯量的结论。
Emblem and flag are of the same significance and similarity, which has many more functions, the sign and symbol of the spiritual content is also consistent with the flag.军徽的意义和作用与军旗相似,都具有标志、象征和作战功能,其标志和象征的精神内涵,与军旗也是一致的。