现在人们已经接受并实践了这一观点:极早期报警用来保护空间小,但设备替换价值较高或人工操作依赖性强的场所是至关重要的。不过常常难以证明重要性稍差的空间需要同样的保护。有的小空间如果遭遇火灾会对经济产生重大影响,典型的例子有小型电话交换机房,公共事业或运输工业的 Now people have accepted and practice this view: very early warning is used to protect the small space, but the replacement of equipment or higher value of human dependence on the place is crucial. However, it is often difficult to prove that less important spaces require the same protection. Some small spaces can have a major economic impact if they encounter a fire. Typical examples are small telephone exchange rooms, public utility or transport industry