command system的用法和样例：
例句
- There is something wrong with the computer so that I can't enter into the instruction system.
电脑出了故障，以至于我无法进入指令系统。 - The Internet is an international collection of computer networks that all understand a standard system of addresses and commands connected together through backbone systems.
因特网是一个计算机网络的国际性集中，都使用一套标准的地址和命令系统，通过骨干系统连接在一起。
