矩阵的秩为()。
A.1
B.2
C.3
D.4
参考答案:B
解析:
对矩阵A进行初等变换,,故A秩r(A)=2。
简述一下你了解的一部当代小说。
In 802. 11 terminology.all communication was to go through the base station, called an (75)
A.Access Channel B.Access SystemC.Access Point D.Network Access Point