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【多选题】
IATA 规定,等级货物包括 ( )
A.
试验用
B.
贵金属
C.
书籍
D.
杂志
E.
汽车
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参考答案:
举一反三
【判断题】利用两只NPN型管构成的复合管只能等效为NPN型管。()
A.
正确
B.
错误
【简答题】●Comparisons were drawn between the development of television in the 20th century and the diffusion of printing in the 15th and 16th centuries.Yet much had happened between.As was discussed before,it ...
【多选题】下列复合管型为NPN型的是
A.
NPN+NPN
B.
PNP+NPN
C.
NPN+PNP
D.
PNP+PNP
【简答题】NPN包括哪些物质?测定NPN有何临床意义?
【简答题】●Comparisons were drawn between the development of television in the 20th century and the diffusion of printing in the 15th and 16th centuries.Yet much had happened between.As was discussed before,it ...
【单选题】Comparisons were drawn between the development of television in the 20th century and the diffusion of printing in the 15th and 16th centuries. Yet much had happened between. As was discussed before, i...
A.
means
B.
method
C.
medium
D.
measure
【简答题】何谓NPN?临床上测定NPN有何意义?
【简答题】对于NPN缓变基区晶体管,导出:
【判断题】光敏晶体管只有NPN型一种。()
A.
正确
B.
错误
【简答题】非蛋白氮(non-protein nitrogen,NPN)
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