Which of the following devices could be improved in performance by using heterojunctions
A.BJT
B.LD
C.MESFET
D.LED
- · 有4位网友选择 B,占比44.44%
- · 有3位网友选择 C,占比33.33%
- · 有2位网友选择 A,占比22.22%
A.BJT
B.LD
C.MESFET
D.LED
A、firstly, besides, further more, for example, in other words...
B、in that case, in brief, in short, in conclusion, to sum up...
C、on the other hand, likewise, similarly, however, in the same way...
D、still, oddly enough, after all, in any case, clearly...
A、$240,000
B、$245,000
C、$300,000
D、$350,000
A、His job as a reporter.
B、His civil war experience.
C、His Hannibal boyhood.
D、His experience in New York.
A、given that
B、provided that
C、assuming that
D、in that
A、changing the thickness of the oxide layer
B、changing the doping level of the substrate by ion implantation
C、changing the substrate bias
D、none of the above
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