State blocks are a collection of one or more device states that can be applied to a device with a single function call. 状态块是通过一个函数调用即可应用于设备的一个或多个设备状态的集合。
We introduce the Surveillance equipment which could surveil the status of other equipment. 介绍了一种可即时监视船舶各设备状态的船用监视设备。
