They lack the political (clout) to restore investor confidence or attract more foreign aid.
A.cloud B.method C.influence D.system
有疑问？点此联系我们
收藏该题
查看答案
设向量组α1=(3,1,2)T，α2=(2,1,0)T，α3=(1,0,a)T线性无关，则数a的取值应满足________。