电脑和信用卡的高科技安全措施近年来，电脑成了全世界的热门话题，可你是否知道，在各国小偷的眼里，它的身价也在与日俱增。这么一来，遭殃的人当然就不会是一个两个了，有消息说平均每天，全美国大约要丢失２０００台各式计算机。虽说这些丢失的电脑大多上了保险，失主... High-tech security measures for computers and credit cards In recent years, computers have become a hot topic all over the world. But do you know that in the eyes of thieves in various countries, their prices are also growing. As a result, those who suffer will certainly not be one in two, and there is news that on average every day there will be about 2,000 kinds of computers lost in the United States. Although most of these lost computers on the insurance, the owner ...