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【多选题】
关于单相自动重合闸,下列描述正确的是()A.
需有选相元件
B.
故障时只跳开一相
C.
在特高压等级线路上应优先考虑使用
D.
重合时,单相重合闸的时间一般比三相重合闸时间都要短
E.
能够判断线路故障是否为永久性故障
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皮皮学刷刷变学霸
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【单选题】S1:Avonport Port Control, this is MV Blue Whale. I am anchored clear of the fairway. What are my berthing instruction? When will my berth be clear? Over.S2:Blue Whale, this is Avonport. You berth will...
A.
to assist navigation.
B.
to assist embarkation.
C.
to make identification.
D.
to make alteration.
【单选题】S1:Avonport Port Control, this is MV Blue Whale. I am anchored clear of the fairway. What are my berthing instruction? When will my berth be clear? Over.S2:Blue Whale, this is Avonport. You berth will...
A.
The vessel to starboard of Blue Whale is after Blue Whale.
B.
The vessel to port of Blue Whale is ahead of Blue Whale.
C.
The vessel to port of Blue Whale is after Blue Whale.
D.
The vessel to starboard of Blue Whale is ahead of Blue Whale.
【单选题】The latest storm warning information is as follows:tropical storm warning at 1330UTC. Hurricane Jane with central pressure of 987 hectopascals located in position 10°12'N, 119°31'E. Present movement N...
A.
smooth.
B.
moderate.
C.
rough.
D.
high.
【单选题】S1:Avonport Port Control, this is MV Blue Whale. I am anchored clear of the fairway. What are my berthing instruction? When will my berth be clear? Over.S2:Blue Whale, this is Avonport. You berth will...
A.
No.1 dock.
B.
No.2 dock.
C.
No.3 dock.
D.
No.4 dock.
【单选题】S1:Avonport Port Control, this is MV Blue Whale. I am anchored clear of the fairway. What are my berthing instruction? When will my berth be clear? Over.S2:Blue Whale, this is Avonport. You berth will...
A.
to wait for the large vessel to clear before entering fairway.
B.
to wait for the large vessel to clear after entering fairway.
C.
to wait for entering fairway after being noticed with the berth.
D.
to wait for entering fairway after the embarkation of pilot.
【简答题】两个平面之间的中心投影变换,称为____。
【单选题】马克思·韦伯在()著作中，解释了美国作为资本主义国家而没有立刻消亡的原因。
A.
《民族国家与经济政策》
B.
《古典西方文明衰落的主要原因》
C.
《新教伦理与资本主义精神》
D.
《帝国总统制》
【简答题】What is channel? Underline the key words that you think are very important.
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