情报的流通过程
What is known as "one-to-nearest" addressing in IPv6?（） [" global unicast"," anycast"," multicast"," unspecified addre"]
三相感应电动机在运行中有哪些功率损失？
现代广告设计是以什么为中心的（） ["企业文化","企业整体营销活动","消费者和用户","广告策划"]
与唐代诗歌繁荣有直接关系的是（）。 ["唐朝强盛","造纸术发明","社会安定","科举制的实行"]
情报的生产
