写一个函数,例如:给你的 a b c 则输出 abc acb bac bca cab cba import java.util.ArrayList; import java.util.List; public class NumTest { public static void main(String[] args) { String s="ABCD";//原字符串 List result = list(s, "");//列出字符的组合,放入result System.out.println(
有些零件的标注应该更明确更合理,否则卖不掉.-顺络SWPA电感参数手册.pdfSWPA252010S Series
Self-resonant
Inductance DC Resistance
Heat Rating
Saturation Current
Part Number
Fre
Current
100kHz,們 Max. Typ
Min
Max. Typ.Max. Typ.
Units
H
Q
MHZ
A
Symbol
DCR
SRF
Isat
Irms
SWPA252010SR47NT