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【多选题】
楼宇机柜(箱)及远端机房的接地应符合下列要求:正确的是()。
A.
在新建公共建筑物、办公大楼内安装时,宜利用建筑物的建筑地网接地
B.
在民用建筑物内安装时,可利用建筑物梁、柱的主钢筋作接地引接点
C.
当无地网可利用、建筑物结构质量较差时,应就近建筑简易地网接地,接地电阻宜不大于15Ω
D.
用户侧接口有出、入建筑物的铜线对时,线路端口加装浪涌保护器(SPD)
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举一反三
【多选题】下列影响pn结势垒高度的因素包括:
A.
pn结两边的掺杂浓度。
B.
温度。
C.
pn结材料的禁带宽度。
D.
正向偏压的大小。
【简答题】epic
【简答题】界面态对肖特基势垒高度有什么影响?
【简答题】The epic poem written by Longfellow with the Indian subject matter was___________.
【简答题】空间电荷层、内建电场与势垒高度
【单选题】Beowulf is a national epic of
A.
Germany
B.
England
C.
Scandinavia
D.
France
【多选题】The epic genre displays certain features:
A.
It is always written in verse.
B.
Its language is elevated and serious in tone.
C.
The characters in an epic are deeply human but at the same time greater than most humans.
D.
It always expresses the author's personal and private thoughts though the muse is always credited with the inspiration.
【简答题】___the determined captain,all the passengers on board wouldn’t have been saved.
【简答题】史诗(Epic)或英雄史诗(Hemic Poem)
【单选题】In Epic and Novel,Bakhtin thinks that _____can link the contemporary reality.
A.
Novel
B.
Epic
C.
A and B