Some exhibitors at the milipol fair in the northern paris suburb le bourget said they had started work on new inventions since the attacks - - either at the request of governments or because investors want to cash in on heightened terrorism fears 一些参展商表示，袭击发生后，他们马上进行了新产品的开发工作，一方面是政府有需求，另一方面是投资者愿意投入更多，以便在世界反恐浪潮中获得更大回报。
