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【单选题】
低压配电系统的接地形式中,TN系统中两个字母的含义为A.
T表示电源侧一点直接与大地连接,N表示受电设备外露可导电部分通过接 地 的电源中性点接地
B.
T表示电源侧一点经电阻与大地连 接,N表示受电设备外露可导电部分通过接地的电源中性点接地
C.
T表示电源侧一点直接与大地连接,N表示受电设备外露可导电部分通过不接地的电源中性点接地
D.
T表示电源侧一点经电阻与大地连接,N表示受电设备外露可导电部分通过不接地的电源中性点接地
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【简答题】代码分为模态代码和()
【单选题】Which one is false under the following statements about repurchase agreements
A.
repurchase agreement is a kind of mortgage backed by security
B.
t he securities traded in repurchase agreements are primarily corporate bonds
C.
r everse repurchase agreements and repurchase agreements are two aspects of the same problem
D.
d elivery of securities in repurchase agreements generally does not take the form of physical delivery, especially in shorter term repurchase agreements
【单选题】The repo margin on a repurchase agreement is most likely to be higher when:
A.
the underlying collateral is in short supply.
B.
the demand of the underlying collateral is high.
C.
the maturity of the repurchase agreement is long.
【单选题】蛇串疮的皮损特点是( )
A.
带状分布的红斑上成簇的水疱
B.
皮肤上浅在性脓疱和脓痂
C.
皮肤黏膜交界处成群的水疱
D.
瘙痒性风团，发无定处，骤起骤退
E.
对称分布，多形损害，剧烈瘙痒
【单选题】The repo margin on a repurchase agreement is most likely to be lower when
A.
the underlying collateral is in short supply
B.
the maturity of the repurchase agreement is long
C.
the credit risk associated with the underlying collateral is high
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