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From the defender's point of view, this type of attack has proved (so far) to be very problematic, because we do not have effective methods to defend against this type of attack. Fundamentally speaking, we do not have an effective way for DNN to produce good output for all inputs. It is very difficult for them to do so, because DNN performs nonlinear/nonconvex optimization in a very large space, and we have not taught them to learn generalized high-level representations. You can read Ian and Nicolas's in-depth articles (http://www.cleverhans.io/security/privacy/ml/2017/02/15/why-attaching-machine-learning-is-easier-than-defending-it.html) to learn more about this.张静依（赵丽颖饰）、陈伊诺（吴映洁饰）、梁小艺（班嘉佳饰）因校园而结缘，成了形影不离的闺蜜。作为“钢琴女神”的陈伊诺在校园内犹如众星捧月，而张静依则是典型的“假小子”性格，甘当女神的护花使者。一次偶然的机会，二人通过卓峰（冯铭潮饰）结识了郭宇辰（乔任梁饰）。陈伊诺对“IT达人”郭宇辰一见钟情，作为闺蜜的张静依和梁小艺义不容辞地帮助女神展开一系列追男计划，然而计划实施的过程中郭宇辰和张静依之间却萌生情愫，使本来平静的校园生活泛起了涟漪。面对郭宇辰的示好，张静依却陷入了友情与爱情两难的抉择，此时杜浩（范逸臣饰）的出现让张静依的内心变得更加复杂……在《鼠洞里的好朋友》一书里，孤单的小男孩Bertil结识了住在老鼠洞里的魔法小男孩Nils Karlsson Pyssling，两个孩子一起勇敢地打败了恶棍老鼠Tjoffsan，开始了新生活。Interception can be done at three levels.　　王小红在没有任何医疗器械的情况下，为黑木蛟取出了子弹。黑木蛟为了报答王小红的救命之恩，帮助王小红来到玉屏。王小红在梅家药铺开了西医诊所，她医术高明，玉屏县百姓称赞她是“红娘子”下凡。在玉屏，王小红与梅贤祖成了朋友，在一次又一次惊险的历程中，两人渐生情愫，举办了婚礼。