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void(*pf)(); pf=fun; viod *pf(); pf=fun; void *pf(); *pf=fun; void(*pf)(int, char); pf=&fun;
void(*pf)( );pf=fun; void*pf( );pf=fun void*pf( );*pf=fun; void(*pf)(int,char);pf=&fun;
void(*pf)(int,char*);pf=fun; void*pf();pf=fun; void*pf();*pf=fun; void(*pf)(int,chad;)pf=&fun;
Ⅲ+Ⅶ+Ⅻ+Ca+PF3 Ⅹ+Ⅴ+Ca+PF3 Ⅱ+Ⅴ+Ca+PF3 Ⅹa+Ⅴ+Ca+PF3 Ⅻ+Ⅺ+Ⅸ+Ⅷ+Ⅹ+Ca+PF3
void(*pf)();pf;fun; void*pf();pf=fun; void*pf();*pf=fun; void(*pf)(int,char);pf=&fun;
100pF~50000pF 10pF~10000pF 100pF~10000pF 10pF~50000pF
viod (*pf)(); pf=fun; viod *pf(); pf=fun; viod *pf(); *pf=fun; viod(*pf)(int,char);pf=&fun;
Ⅻ+Ⅺ+Ⅸ+Ⅷ+X+Ca+PF3 Ⅹ+Ⅴ+Ca+PF3 Ⅲ+Ⅶ+Ⅻ+Ca+PF3 Ⅹa+Ⅴ+Ca+PF3 Ⅱ+Ⅴ+Ca+PF3
200~400pF 200~420pF 220~420pF 220~400pF
103pF 10.3pF 1000pF 10000pF
void (*pf)(); pf=fun; void *pf(); pf=fun; void*pf();*pf=fun; void(*pf)(int,char);pf=&fun;
0.01uF、100PF 0.1uF、10PF 103PF、100PF 103uF、100PF
void(*pf)(); pf=fun; viod *pf(); pf=fun; void *pf(); *pf=fun; void(*pf)(int, char); pf=&fun;
β愈大,Pf愈大 β与Pf呈反比关系 β与Pf呈正比关系 β与Pf存在一一对应关系,β愈大,Pf愈小