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【单选题】
关于继电器工作值的叙述正确的是( )A.
向继电器通以规定的充磁值，然后逐渐降低电压或电流，至全部前接点断开时的最大电压或电流值。
B.
向继电器通电，直到衔铁止片与铁芯接触，全部前接点闭合，并满足规定接点压力所需要的最小电压或电流值。
C.
是满足继电器安全系数所必须接入的电压或
D.
线圈通以4倍的工作值或转极值这样可使继电器磁路饱和，在此条件下测试释放值或转极值。
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【多选题】某工程地面做法如下所示,根据《房屋建筑与装饰工程计量规范(GB500854-2013)》规定,该项目应列( )清单项目。
A.
22厚硬木企口地板011104002
B.
地面涂膜防水010904002
C.
50×60木格栅400中距 40×50横撑中距1000 ,011104002
D.
100厚C10混凝土垫层010404001
E.
100厚C10混凝土垫层010501001
【简答题】“Confidence” is probably one of the most noticeable traits (品质) in the Americans. They show confidence in the way they talk, the way they smile, the way they dress and the way they walk. Living and co...
【单选题】One of the most noticeable elements of Harlem Renaissance writing is its use of dialect and folk-lore and its identification with the spirit of______.
A.
rap
B.
jazz
C.
blues
D.
R&B
【单选题】根据《房屋建筑与装饰工程工程量计算规范》(GB50854-2013),土方项目区分规定,下列( )属于基坑土方。
A.
底面积＞150m 2 (且长≤宽的3倍)
B.
底面积＞150m 2 (且长>宽的3倍)
C.
底面积≤150m 2 (且长≤宽的3倍)
D.
底面积≤50m 2 (且长>宽的3倍)
【单选题】The most noticeable trend among today's media companies is vertical integration--an attempt to control several related aspects of the media business at once, each part helping the other. Besides publi...
A.
They both belong to Rupert Murdoch.
B.
They are both big American media corporations.
C.
They are both outlets of differing viewpoints and innovative ideas.
D.
They both own several different but related media businesses.
【单选题】The most noticeable trend among today's media companies is vertical integration—an attempt to control several related aspects of the media business at once, each part helping the other. Besides publis...
A.
They both belong to Rupert Murdoch.
B.
They are both big American media corporations.
C.
They are both outlets of differing viewpoints and innovative ideas.
D.
They both own several different but related media businesses.
【简答题】incident
【简答题】Susan Sontag (1933 — 2004)was one of the most noticeable figures in the world of literature.For more than 40 years she made it morally necessary to know everything — to read every book worth reading ,...
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