求翻译：本文通过调研分别对比分析目前的火灾报警传感器、自动灭火装置及网络构架的优缺点，选定了极早期的烟雾报警传感器、瓶组式高压细水雾灭火系统及MCU+RS485来组建整个地铁车辆火灾报警及灭火系统。在瓶组式高压细水雾灭火系统中进行了大量的水力计算，根据车厢的作用面积、每只喷嘴的流量确定喷嘴的数量，确定了一节车厢用水的总流量，继而明确了每节车厢气瓶组与水瓶组的个数。是什么意思？

Through research, comparative analysis of the current fire alarm sensors, automatic fire extinguishing devices and network architecture, the advantages and disadvantages of selected very early smoke alarm sensor bottle group of high-pressure water mist system and mcu + RS485 to set up entire subway

Through this research, comparison and analysis of the current fire alarm sensors, automatic fire extinguishing installations and network architecture, and the advantages and disadvantages of selected by the very early smoke alarm sensor, high-pressure cylinder group-water mist fire suppression syste

This article through a comparative analysis of current research respectively fire alarm sensor, advantages and disadvantages of automatic fire extinguishing device and network architecture, selected very early smoke alarm sensor, bottle group-high pressure water mist fire extinguishing system and MC