????????

1??о??????

2??????????塣

3??磬???

4??????裬?????

5 ??硢??????Щм????????????????

6 ??????????????????

7 ?????????

8 ?Χ???λ??СС

9 ??????????????????????

10 ??????????ζ?

11 ???????

12 ????????????ü????????ú????????

13 ?????飻????????

??·?????

??????л

14 ??????д??????п档

15 ??????????Щ±????

1...

????Щ???
???Щ??ú?Ц???{???????????о???о??Ц
??ú??磬δ???й???Щ??? ? ?ú?á??????????
85-90? ?? ? ? ?

??漡?????????沿??????????? ??\"?\"????沿?б???? ????壬??? ??νζ? ?2/3ζ????1/3ζ????ζ,???????д\"???\"???壬??????λ???оζ????,?????? ζ??(0.2~0.4uA)?棬??ζ ???Щ??????ζ?,ζ?,????ζ??Χ????ζ?

?????????????硱б硱?硱?沿鼡????????????б??????沿?ü????ɡ
 
峿??????顢б沿鼡???????????????????ü????????????????????п??ò?????硣

? ?
???

?????????Щ????????е?Ц??ü???
ν?沿???沿??????????б
???????沿?????ü?????????б??????л?????????????ж??沿?????2\\3λζ???
沿鼡??鴤???????漡??鴤???Σ??;??з?????????Ρ?????
?????????????η?裬?鴤Ρ
????
a) ????????????С??С?????????λ???
b) ??????????漡Ρ?????δ?????????紫??????γ?沿??鶯
c) ??漡Ρ??????·????沿鶯
????
漡顢???...