You see, they were using Microsoft-equipped computers and could not prove that the software had not been pirated. By confiscating the computers, the Russian police could supposedly verify whether or not the Microsoft software that the activists were using had been installed legally.
你看，他们使用装有微软系统的电脑，而且无法证明他们所用的软件不是来源于盗版。 电脑被没收以后，据说俄罗斯警方可以验证活动者所用的微软软件是否是合法安装的。