求翻译：针对煤矿井下无线监控系统传感器节点分布多，成本高的特点，设计一种以ARM 处理器STM32F4、MS5611气压温度传感器和MQ-2有害气体检测传感器组成无线传感器网络节点，利用先进的传感器技术检测可燃气体检气压温度信息，并实时处理信息。采用Zigbee进行自组网相互传递式的信息传输方式，实现无线传感器网络与外部网络的通信，确保了节点在井下安全、可靠地使用。在设计微型、廉价、能量有限的多功能传感器节点方面进行有益探索是什么意思？

null

For coal mine where wireless monitoring system sensor nodes distributed across multiple high cost, designed a ARM processor STM32F4 MS5611, air temperature sensor and MQ-2 harmful gases detection sensors to form a wireless sensor network nodes, and the use of advanced sensor technology to detect com

正在翻译，请等待...

Distributed sensor nodes of wireless monitoring system for coal mine, and characteristics of high cost, design based on ARM processors STM32F4, MS5611 air temperature sensor and MQ-2 and hazardous gas detection sensor nodes in wireless sensor networks using advanced sensor technology to detect flamm

null