//hardware board
//A:soc芯片
//B:DDR
//C:flash芯片
//E:转网卡芯片
//F:Codec芯片
//G:放大器芯片
//E:电源芯片
//F:PCB
//G:电阻
//H:电容
//I:电感
digraph hardware_board {
A;
B;
C;
D;
E;
F;
G;
H;
I;
K;
L;
M;
}
//hardware board
//A:soc芯片
//B:DDR
//C:flash芯片
//E:转网卡芯片
//F:Codec芯片
//G:放大器芯片
//E:电源芯片
//F:PCB
//G:电阻
//H:电容
//I:电感
digraph hardware_board {
A;
B;
C;
D;
E;
F;
G;
H;
I;
K;
L;
M;
}