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It is easy to see that OvR only needs to train N classifiers, while OvO needs to train N (N-1)/2 classifiers, so the storage overhead and test time overhead of OvO are usually larger than OvR. However, in training, each classifier of OVR uses all training samples, while each classifier of OVO only uses samples of two classes. Therefore, when there are many classes, the training time cost of OVO is usually smaller than that of OVR. As for the prediction performance, it depends on the specific data distribution, which is similar in most cases.《生死邂逅》讲述数桩命案连续发生，均系毒品过量所致。根据线报，此乃黑帮贩毒集团所为，其老大吴豪生性毒辣，势力范围盘根错结，在全市一片绿灯，许多人敢怒不敢言。获悉案情后新来的市刑警队长以迅雷不及掩耳之势展开扫毒、扫黑行动，结果大为震惊：所缴获的毒品数量之巨乃全市史上之最！东环市公安局重案队正在庆祝“清网行动”取得重大胜利：将一名负案在逃多年的嫌疑人捕获归案。突然得知发生了惊人血案，一名公安民警被歹徒偷袭致重伤，身上的枪和子弹被抢走。公安局立刻派出重案队全力侦破，上级机关也派刑侦副处长高林前来督导破案。高林会同重案队长洪顺达及从重案队调走的派出所干警许毅共同组成专案组。这三人是警校同学，生活中又有着千丝万缕的联系。他们克服了生活中相互之间的种种误会，与案犯斗智斗勇，经过大量的侦查，许毅发现案犯孙志军的父亲曾被自己的父亲抓捕入狱，确定这次是其报复作案。三人及专案组立刻全力对孙进行追捕，通过斗智斗勇的多次较量，终将其围困在山野间，经激烈枪战，临近退休的干警老丁则在紧急关头为保护许毅中弹牺牲。最后许毅亲手将孙志军击毙，成功破获此案。南雀使臣气得浑身发抖，戟指怒道：你……你……好大的胆子。21世纪特种部队人员项少龙（古天乐 饰）决意要参加穿梭时空的研究，是为了要挽回自己的爱情。但由于时光机的数据出错，把少龙带到了战国时期。(4) Whoever commits the crime of intentional injury and causes serious injury to a person, causing a disability of Grade II to Grade I, shall be sentenced to fixed-term imprisonment of not less than six years but not more than 10 years;皇上已经当着众臣的面认错了，若是逼他。