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These threats are what Samuel Woolley, research director of the Digital Intelligence Laboratory of the Future Research Institute, calls "computational propaganda". He defines them as "false information dissemination and politically motivated attacks". These attacks are designed by "algorithms, automation and human management" and published through the Internet, especially social media. In a statement to Futuristic Technology magazine, Woolley added that the targets of these attacks were "the basic components of democracy: the media, open civic discourse, privacy and free elections".明安街头，在美发店工作的王玲与大学生邵平热恋，因为父母不同意，懦弱的邵平选择了逃避。万念俱灰的王玲决定放弃，一个叫朱家山人的走进了她的生活，朱家山真实的身份是一个毒贩，王玲用自己的忏悔配合边防警察将朱家山的贩毒计划一举铲除。女教师梁慧的丈夫在外沾染了毒品，柔弱的她担负着这个家，一家人蜗居的老宅面临拆迁，无助的她此时遇到了自己当年的追求者牛满江，单纯的她没有想到牛满江是一个毒贩。她用智慧引导牛满江向边防警察自首，接受法律的制裁。单纯的女大学生海荟对长相俊美的姚叶一见钟情。可姚叶已是病入膏肓，姚叶在爱情的鼓舞下，燃起了对生命新……3. Physical period: Uniform circular motion is a kind of periodic motion. The so-called periodicity refers to the fact that after a certain period of time, the moving object repeats back to its original position, and the instantaneous speed repeats back to its original size and direction. The time it takes for an object to move in a uniform circle is called a period. The period is expressed by the symbol T, and the period is also a physical quantity describing the speed of uniform circular motion. The long period indicates the slow motion of the object, while the short period indicates the fast motion of the object.老鳖等人齐声大喊：恭请将军出阁。他非说我声音小，让我去他身边念，结果我刚一到他身边，他就摸我屁股。