The conditions of simultaneous diagonalization of two matrices are given.摘要给出两个矩阵同时合同对角化与同时相似对角化的一些条件.In this paper, we mainly discuss the diagonalization of a special kind of block circulant matrices.本文主要探讨了一类特殊的分块循环矩阵的...
患了视物模糊症,阅读就更加困难了.Clouded vision can make it more difficult to read.某些视觉先兆表现为奇异生动的视物变性.Some of the visual distortions can be exotic and bizarre.然后可能视物 、 说话 、 吞咽或移动手、脚出现困难.Later, there may be difficulties with vision, spee...
并且卷应该是坚实对接触, 不吸水的.And the roll should be solid to the touch, not spongy.那是象鼻山, 看起来像一头正用鼻子吸水的大象.It is Elephant Trunk Hill. It looks like an elephant drinking water with its long trunk.压缩空气导致水份从吸水的干燥材料上累积.Compressed air ca...
The eighth commandment is "Thou shalt not steal".第八诫是“不可偷盗”。" Go now, child, and thou shalt tease me as thou wilt another time, " cried Hester Prynne.“ 现在快走吧, 孩子, 过一会儿再来缠我, ” 海丝特-白兰叫喊着.Neither shalt thou countenance a po...