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【简答题】
某铁路车辆标记为C 60 4768543，其中C 60 的含义是（）。
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【简答题】Determine the working mode of each transistor. (a)and (c) is silicon material, (b) is germanium material.
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【单选题】Which of the following best describes a transistor?
A.
a cable that transmits bits by means of light pulses along a glass or plastic fiber instead of electrical signals over a conductor
B.
an electronic device that can accept, manipulate, store, and output data, and whose instructions can be programmed
C.
an older information system that remains in use because it still functions and is costly to replace
D.
a small electrical circuit made from a semiconductor material such as silicon
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【单选题】根据材料，回答题 甘草酸属于 查看材料
A.
四环三萜皂苷
B.
五环三萜皂苷
C.
甾体皂苷
D.
强心苷
E.
氰苷
查看完整题目与答案
【单选题】The transistor works in the amplifying state. The measurement results are shown in the figure. If the transistor is made of the material of 锗 ,|VB-VE|=0.3V. If the transistor is made of the material...
A.
PNP锗,NPN硅
B.
NPN锗,PNP硅
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【单选题】甘草酸属于
A.
四环三萜皂苷
B.
五环三萜皂苷
C.
甾体皂苷
D.
强心苷
E.
氰苷
查看完整题目与答案
【单选题】甘草酸属于
A.
四环三萜
B.
五环三萜
C.
强心苷
D.
甾体
E.
C21甾体
查看完整题目与答案
【判断题】甘草酸属于三萜皂苷类化合物
A.
正确
B.
错误
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【单选题】曲轴位置传感器的作是提供点火提前角、确认曲轴位置的信号，用于检测活塞上止点、（）及发动机转速。
A.
下止点
B.
位置
C.
曲轴转角
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【单选题】用于辨别汽缸及检测活塞上止点位置的传感器是( )
A.
G 信号
B.
G2 信号
C.
Ne 信号
查看完整题目与答案
【单选题】The transistor works in the amplifying state. The measurement results are shown in the figure. If the transistor is made of the material of 锗 , |VB-VE|=0.3V. If the transistor is made of the materia...
A.
PNP硅, NPN锗
B.
NPN硅,PNP锗
查看完整题目与答案
相关题目：
【简答题】Determine the working mode of each transistor. (a)and (c) is silicon material, (b) is germanium material.
查看完整题目与答案
【单选题】Which of the following best describes a transistor?
A.
a cable that transmits bits by means of light pulses along a glass or plastic fiber instead of electrical signals over a conductor
B.
an electronic device that can accept, manipulate, store, and output data, and whose instructions can be programmed
C.
an older information system that remains in use because it still functions and is costly to replace
D.
a small electrical circuit made from a semiconductor material such as silicon
查看完整题目与答案
【单选题】根据材料，回答题 甘草酸属于 查看材料
A.
四环三萜皂苷
B.
五环三萜皂苷
C.
甾体皂苷
D.
强心苷
E.
氰苷
查看完整题目与答案
【单选题】The transistor works in the amplifying state. The measurement results are shown in the figure. If the transistor is made of the material of 锗 ,|VB-VE|=0.3V. If the transistor is made of the material...
A.
PNP锗,NPN硅
B.
NPN锗,PNP硅
查看完整题目与答案
【单选题】甘草酸属于
A.
四环三萜皂苷
B.
五环三萜皂苷
C.
甾体皂苷
D.
强心苷
E.
氰苷
查看完整题目与答案
【单选题】甘草酸属于
A.
四环三萜
B.
五环三萜
C.
强心苷
D.
甾体
E.
C21甾体
查看完整题目与答案
【判断题】甘草酸属于三萜皂苷类化合物
A.
正确
B.
错误
查看完整题目与答案
【单选题】曲轴位置传感器的作是提供点火提前角、确认曲轴位置的信号，用于检测活塞上止点、（）及发动机转速。
A.
下止点
B.
位置
C.
曲轴转角
查看完整题目与答案
【单选题】用于辨别汽缸及检测活塞上止点位置的传感器是( )
A.
G 信号
B.
G2 信号
C.
Ne 信号
查看完整题目与答案
【单选题】The transistor works in the amplifying state. The measurement results are shown in the figure. If the transistor is made of the material of 锗 , |VB-VE|=0.3V. If the transistor is made of the materia...
A.
PNP硅, NPN锗
B.
NPN硅,PNP锗
查看完整题目与答案