【简答题】A. children should visit their parents from time to time. B.Parents should support their children when they are in trouble. C.Children should leave their parents when they are grown up. D.P...
【单选题】What is the characteristic of M2M systems ? What does it mean ?
A.
M2M can surpass human interaction.
B.
M2M systems are task-specific , meaning that a given system is purpose-built for just one specific device , or a very restricted class of devices in an industry.