日本东京消防厅消防科研所和法政大学渡边嘉二郎教授的研究小组，最近共同开发出一种能够捕捉人耳听不见的超低频范围声音的变化的火灾传感器。现在有感知热、烟、火焰（光）的三种火灾传感器，它们各有各的特性，根据设置场所的不同而分别使用。在烟及湿气多的厨房等地，... The research team of Prof. Watanabe Watanabe of the Tokyo Fire Department Fire Science Research Institute and Hosei University recently developed a fire sensor capable of capturing the changes in the ultra-low frequency range sound that human ears do not hear. There are three types of fire sensors that sense heat, smoke, and flame (light). Each of them has its own characteristics and are used separately depending on the location. In places like smoke and moisture kitchens,...