Then, based on retrospective law introduced systematic study of the wisdom of the content and features of beer, a retrospective study of the role of law in the system;

然后，介绍了基于回溯法的智能排课系统研究的内涵及特征，研究了回溯法在系统中的作用；

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Methods: By epidemic retrospective study, we have investigated the occurrence and distributive law of occupational injury from 1980 to 1999 in a non-ferrous metal company.

方法：用回顾性流行病学调查方法，调查某有色金属企业1980—1999年职业伤害发生情况和分布规律。

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The reaction was then to float a retrospective law to change the Supreme Court decision.

FORBES: Russians In Cyprus: It's Not About Tax It's About The Rule Of Law And Property Rights

Defence barrister Geoffrey Robertson QC said a retrospective change in the law could be a breach of human rights.

BBC: You are in: UK

When the European Convention on Human Rights is incorporated into British law later this year, such retrospective sentencing is bound to be challenged.

ECONOMIST: Myra Hindley