sub system造句怎么写

China water security dynamic model were built up based on the systematical analyses of characteristics and their inter relationship of sub systems of water resource system in China.

The sub system is a part of SPIAs MIS, however, it is relatively independent to the latter and thus an ideal auxilliary implement for overall management of SPIAs power dispatching.

It includes severs sub system such as dispatcher, interactive session support unit, etc.

Urban Cadastral Information System( UCIS) is an important fundamental sub system of Land Resources Mana-gement Electronic Government System.

Figure 1 is an example of system assembly; it illustrates how sub systems and modules are wired using services and references.