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【判断题】
对于任意矩阵A,矩阵B = AHA都是Hermitian 矩阵。若A可逆,则对于Hermitian矩阵B = AHA,有A¡HBA¡1 = A¡HAHAA¡1 = I。A.
正确
B.
错误
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举一反三
【简答题】压焓图中临界点K和x=0、x=1两条线将区域分为三部分，请说明各区代表的意义。
【简答题】内囊后肢分为()部、()部和()部。
【单选题】A 50-year-old migrant worker comes to the emergency department from the field he was working in and complains of diarrhea, tearing, nausea and vomiting,and sweating. The clinician notices that he look...
A.
N-acetylcysteine
B.
Sodium nitrite
C.
Deferoxamine
D.
Atropine
E.
Fomepizole
【简答题】附图中实线为载有电流I的导线，它由三部分组成：MN部分为1/4圆周，圆心为O，半径为R，其余两部分为伸向无限远的两个直线段．求O点的磁场B.
【简答题】Who
is Dr. Michael Wesch?
What award does he receive for the occasion?
【简答题】He was _______out of the army because of the wounds he receive.
【单选题】According to Nick, why did he receive the money?
A.
The bank made an error. They gave him the money by mistake.
B.
He agreed to sit out an important game.
C.
He agreed to a business deal.
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