未来某一年,中国某公司与媒体合作海选两位志愿者去火星探险,报名者踊跃参加,由于竞争,有六人最终入选。评委经过比较考察,对最后入选者形成如下共识： （1）要么选小张,要么选小范 （2）如果选小李,就要选小赵 （3）如果不选小张,就不选小赵 （4）只有选小王,才不选小李 （5）选小范,但不选小赵 据此,可以...
It is still at an early stage of development, and many problems/research challenges must be solved before it is widely adopted. Many of these are technical, including interoperability and scalability, as billions of heterogeneous devices will be connected, but deciding on how to invest in the ...