求翻译：同时上位机（监护台）用VB编写的软件对下位机的通信信息作出处理，并可以向下位机发送指令。此系统能够为医院提供一个成本低、效率高、操作方便和易于安装维护的呼叫系统，具有较高的实际应用价值！是什么意思？

The host computer (Guardianship) software vb prepared under machine communication and information processing, and can be down-bit machine to send commands. This system can provide a low cost, high efficiency, easy operation and easy installation and maintenance of call system, has a high practical v

While the monitor desk) (prepared by the VB software to the next level of communication and information-processing, and can be made to place the instructions are sent down. This system provides the hospital with a low-cost, high efficiency, easy to operate and easy to install, and maintenance of the

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While PC (monitor) with software written in VB for slave communication of information processing, and sent down instruction. This system is able to provide hospitals with a low cost, high efficiency, easy to operate and easy to install and maintain call system, has a high practical value!

On simultaneously the position machine (guardianship Taiwan) the software which compiles with VB makes processing to the lower position machine correspondence information, and may to the lower position machine transmission instruction.This system can provide a cost for the hospital low, the efficien