让每一个进程在屏幕上显示一 个字符：父进程显示字符a，两个子进程分别显示字符b和子符c。

So that each process is displayed on the screen of a Characters: parent display characters a, respectively, two sub-processes and sub-character display character bc.

youdao

让每一个进程在屏幕上显示一 个字符：父进程显示字符a，两个子进程分别显示字符b和子符c。

So that each process is displayed on the screen of a Characters: parent display characters a, respectively, two sub-processes and sub-character display character bc.

youdao