2 ????????????? PHS?EC?POS?EC
[1]??pV?
??????4???pV??????????
?????????????????????
??
????????????? ???
????p?????V?????(3)?(4)?
??
[2]????
?????????????????????
Gǚ 3.18b1b2b3 Cdt 2
?105??????? (5) dk? P
Lhǚ G ??????????????? (6) 60f
?? G ǖ?????????
b1 ǖ??????????8?
b2 ǖ????????8?
b3 ǖ??????????3?
Cdt ǖ??????????????
?? N ?????(1)?
P ǖ?????? N?????(2)?
Lh ǖ???? h
f ǖ??????? cpm
?8 ??????b1?????b2
?????? b1
????
??? ? ? ?
1 5 1 15
???? b2
????
?2 ???
?3 ????????????????
?4 ?????????????pV???
? ( )
493