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论述时序论和时滞论的主要内容。不同的传递方式和不同类型文献载体的科技情报的速发性不同。非正式交流的情报速发性高于正式交流的；快报类期刊、电子期刊具有较高的情报速发性；二、三次情报的速发性低于一次情报的速发性
Discusses the main content of time series theory and time delay theory. Different methods of delivery and different types of document carriers of scientific and technological intelligence of the rapid onset of different. The information of informal exchanges was faster than that of formal exchanges; the quick reports of journals and e-journals had higher speed of intelligence; the speed of the second or third information was lower than that of the first information