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【单选题】
下列关于集线器的说法中, 是不正确的。A.
集线器俗称HUB
B.
集线器工作在OSI的网络层
C.
集线器连接的网络为共享式以太网
D.
集线器的工作机理是广播
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举一反三
【单选题】____ are published for the correction of Admiralty Charts.
A.
Admiralty Sailing Direction
B.
List of Signals
C.
Mariner’s Handbook
D.
Admiralty Notice to Mariners
【单选题】When you read the Sailing Directions,you should notice that it is one of the series of publications produced by which should be consulted by users of Admiralty charts.
A.
IHO
B.
UK Hydrographic office
C.
IMO
D.
international association of CS
【单选题】【单选】Which is not the reason that the information on Admiralty charts or in other publication is not always accurate?
A.
the information may not always be complete.
B.
the information may not always up-to-date.
C.
the information may not be always positioned to modern surveying standards
D.
the information is always corrected by Admiralty Notice to Mariners
【单选题】下列关于利润分配及未分配利润的会计处理中,错误的是( )
A.
以当年实现的利润弥补以前年度结转的未弥补亏损,不需要进行专门的会计处理
B.
年末要将“利润分配”科目所属的其他明细科目的余额转入“利润分配—未分配利润”明细科目
C.
年末要将“本年利润”科目的余额转入到“利润分配—未分配利润”明细科目
D.
盈余公积弥补亏损时应贷记“利润分配—未分配利润”明细科目
【单选题】When you read the sailing directions, you should notice that this is one of a series of publications produced by the（）which should be consulted by users of Admiralty Charts.
A.
UK Hydrographic Office
B.
IMO
C.
International Hydrographic Organization
D.
International Association of Classification society
【单选题】Temporary and preliminary notice are placed at the end of ___ of Admiralty Notices to Mariners.
A.
Section I
B.
Section II
C.
Section III
D.
Section IV
【简答题】2 - 2 三组异步电动机旋转磁场的转速由什么决定?对于工频下的 2 、 4 、 6 、 8 、 10 极的三相异步电动机的同步转速为多少?
【简答题】三组异步电动机旋转磁场的转速由什么决定?对于工频下的 2 、 4 、 6 、 8 、 10 极的三相异步电动机的同步转速为多少?
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