What may produce the distortion is the insistence that all causes of action in tort law be understood as encoding wrongs. That insistence requires treating strict liability causes of action such as strict liability for abnormally dangerous activities as encoding a sort of wrong, strange as the putative wrong may be — injury through the imposition of an excessive risk, reasonable or not. This implausible characterization of strict liability for abnormally dangerous activities in turn requires mischaracterizing negligence doctrine, since the philosophical formalist must then maintain that negligence doctrine does not permit the reasonable imposition of unusually large risks on others, which plainly it does.
（2）样本数量更精简：虽然编制方案规定最多选50只，但目前样本数量仅44只，宁缺毋滥保证纯粹。相比同类指数，前十大成分股全为油气龙头股，纯度更高！
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One day, we heard from a youth basketball coach. He wanted to teach his kids that their choices matter — even small ones, like which water they drink. We shipped him a case every month. He said it helped them bond as a team and feel united around a mission. When his team won a championship, he sent me a championship ring. I kept it in my desk drawer, as a source of pride for a job well done.，推荐阅读手游获取更多信息
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score = (1 - relative_diff) * correction_factor