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在过去几年中,航运公司和码头经营人都试用了探测集装箱偷渡者的每种可以想象出来的方法。装载于集装箱侧壁上的麦克风由于不可避免地产生背景噪音而被认为不可靠;具有X射线的设备十分昂贵,使用起来麻烦,而且对人体健康产生潜在的危害;利用具有灵敏嗅觉的狗将变得令人厌烦,而且在一天中查到上千
In the past few years, shipping companies and terminal operators have tried every imaginable method of detecting stowaways of containers. The microphone mounted on the side wall of the container is considered unreliable due to unavoidable background noise; the equipment with X-ray is very expensive, cumbersome to use and potentially harmful to human health; the use of a dog with a sensitive smell will change Too boring, and in a day to find thousands