At present, study on Rules of Origin is relatively weak in China.

目前，我国对自由贸易协定原产地规则的研究较为薄弱。

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They cited a study presented earlier this year of 249 pairs of parents and their children in which twice as many children as parents wanted rules on what parents could share.

他们引用了今年早些时候的一项研究，这项研究面向249对父母及其孩子进行，其中希望对父母分享的内容进行规定的孩子数量是父母的两倍。

youdao

After the second year of transition, regulators agreed to conduct a study on the impact of the rules and rewrite them if any “material deficiencies” are discovered.

在过度周期的第二年，如果被发现任何“不足”，管理者同意就修改或重写协议进行可操作性研究。

youdao

The study finds that on the basis of real time rules, expenditure and debt ratios in 2009 for the euro area aggregate would not have been much different with neutral expenditure policies than actually experienced.

FORBES: Stunning Revelation: ECB Says Smaller Government More Efficient

He says X Prize has refined its prize rules over several years based on his study of historical prizes, such as the 1714 prize the British government awarded for an instrument to measure longitude.

WSJ: Prizes Abound but Unclear if They Are Best Way to Get Innovation

It said the person handling Cemlyn Davies' application to study French with politics there had "regrettably misinterpreted" its rules on language subjects.

BBC: CRE investigate Welsh exam 'rejections'