Soft engineering and protocol engineering should be followed in developing smart card "s chip operation system."

在智能卡操作系统的开发中，要遵循软件工程和协议工程的要求。

youdao

Where 's Chip? Why isn' t he here yet?

奇普呢？他为什么还没来？

youdao

Where 's Chip? Why isn' t he here yet?

奇普呢？他为什么还没来？

youdao