【多选题】建立管理管道后,电力系统实时动态监测系统主站和子站建立数据流管道传输实时数据的过程包括()。
B.
主站建立与子站之间的数据流管道,通过管理管道向子站发送“开启实时数据”命令
D.
子站接收主站的“开启实时数据”命令后开始实时数据传输
【简答题】The sun is a huge, hot and bright star. It is important because without it there would be no life on the earth. The sun gives us light and heat. All living things depend on the sun for their growth. P...
【判断题】电影是抽象的,文学是具象的,所以他们的形象是不一样的。() 判断对错
【简答题】Winter in the north is usually very cold and it is important to avoid colder-related injuries such as frostbite(冻伤) and hypothermia(体温降低).Frostbite is damage that happens when skin is exposed to extre...
【简答题】焊接的连接形式按构造可分力_______和______两种类型。
【简答题】已知 中, , ,设 . (1 )用 表示 ; (11)求 的单调递增区间.
【单选题】It is important and necessary ______ us all to learn English well.
【单选题】It is important and necessary that one ____ a foreign language so that he can be better equipped for his future. [ ]
【简答题】设 ,用初等变换求A的逆矩阵A -1 。