Management information system consists of information, hardware, software, and network components.
管理信息系统由信息，硬件，软件，人和网络构成。
A network has three layers of components: application software, network software, and network hardware.
一个网络有三层组成：应用软件，网络软件，网络硬件。
A network has three layers of components: application software, network software, and network hardware.
一个网络有三层组成：应用软件，网络软件，网络硬件。
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