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【判断题】
在数控机床维修过程中,即将有个参数需要修改,也只能对每个参数进行逐个修改。( )
A.
正确
B.
错误
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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
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
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【多选题】【英译汉】Words and its explanations match. Fill in each blank with only letter from A toM. ( 注意填写答案时,答案前后一定不要留空格或符号)
A.
ionization
B.
vanishingly
C.
transconductance
D.
preferential
E.
transistor
F.
silicon
G.
simultaneously
H.
superimpose
I.
transintruduction
J.
perpendicular K.threshold L.schematic M.disappear (1)跨导——( ) (2)硅——( ) (3)同时的——( ) (4)极限,门槛 ——( ) (5)趋于零地 ——( ) (6)优先选择的——( ) (7)扼要的,图解的 ——( ) (8)垂直线,垂直的位置——( ) (9)离子化,电离 ——( ) (10)重叠(安装,添加) ——( )
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【单选题】What's the mark of third generation of computer?
A.
Transistor
B.
Integrated circuit
C.
Silicon
D.
Very large scale of integrated circuit
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【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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【多选题】(), () and( ) are electronic components.
A.
vacuum tube
B.
integrated circuit
C.
silicon
D.
transistor
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【多选题】()、()、()are electronic components
A.
vacuum tube
B.
integrated circuit
C.
silicon
D.
transistor
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
【多选题】【英译汉】Words and its explanations match. Fill in each blank with only letter from A toM. ( 注意填写答案时,答案前后一定不要留空格或符号)
A.
ionization
B.
vanishingly
C.
transconductance
D.
preferential
E.
transistor
F.
silicon
G.
simultaneously
H.
superimpose
I.
transintruduction
J.
perpendicular K.threshold L.schematic M.disappear (1)跨导——( ) (2)硅——( ) (3)同时的——( ) (4)极限,门槛 ——( ) (5)趋于零地 ——( ) (6)优先选择的——( ) (7)扼要的,图解的 ——( ) (8)垂直线,垂直的位置——( ) (9)离子化,电离 ——( ) (10)重叠(安装,添加) ——( )
查看完整题目与答案
【单选题】What's the mark of third generation of computer?
A.
Transistor
B.
Integrated circuit
C.
Silicon
D.
Very large scale of integrated circuit
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
【多选题】(), () and( ) are electronic components.
A.
vacuum tube
B.
integrated circuit
C.
silicon
D.
transistor
查看完整题目与答案
【多选题】()、()、()are electronic components
A.
vacuum tube
B.
integrated circuit
C.
silicon
D.
transistor
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