罪案愈多,保安的重要性愈见明显。科学家最近发明一种X光枪,可以透视衣服,准确地知道来访者是否身怀枪械。 这种新的发明叫做毫米波显像器,30英尺(9.1m)范围内可以透视来人身上有否藏枪、藏毒。这种新科技非常适用于机场、法庭及其他公共场所,有助保安人员及早发现武器、炸药及其它违 The more crimes, the more important the security is. Scientists recently invented an X-ray gun that looks through clothes and accurately knows if visitors are on firearms. This new invention, called the millimeter-wave imager, reveals whether or not possession of a gun or possession of poison exists within a range of 30 feet (9.1 meters). This new technology is ideally suited for airports, courts and other public places to help security personnel detect weapons, explosives and other illegal