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我们知道,在过去,为了获取某种情报,各国间谍机关,会投入巨额资金,派出间谍,到目标国去做神秘又惊险的间谍活动。而今天,由于电子技术的发展和信息化浪潮的涌现,获取情报的形式发生了巨大的变化。其主要形式有:从用间谍为主到用专家为主。信息化社会是一个开放的社会,因此,信息的传播与交流,是这个社会的主要特征。每日,我们每个人都会有意无意接受大量信息,电
We know that in the past, in order to obtain certain information, spy agencies in various countries will invest huge sums of money to send spies to the target countries to do mysterious and thrilling espionage activities. Today, due to the development of electronic technology and the emergence of informatization waves, the form of obtaining information has undergone tremendous changes. Its main forms are: from spy-based to expert-based. The information society is an open society. Therefore, the dissemination and communication of information is the main feature of this society. Every day, each of us will intentionally or unintentionally receive a lot of information.