Purpose: Make the rules of operation on making up a prescription standard.

前言：目的：规范调剂操作规程。

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The AIIB is an international financial institution whose rules of operation are decided by its members through consultation, not by China alone.

亚投行是一个国际性的金融机构，其规章制度和运作要由各成员国协商决定，并不是中国一家说了就算的。

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When first meet negative numbers, students have difficulty understanding both the meaning of negative numbers and the rules of operation between rational numbers.

学生初次接触到负数的概念时，对理解负数的意义及有理数的运算法则都会产生困难。

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After all, charter schools have curriculums and rules of operation that differ from traditional public schools.

FORBES: Fact and Comment

Football writer Ryan McKnight, editor of FC Business Magazine, said this kind of operation contravened Fifa rules.

BBC: Peter Harrison

The pair from Swindon, Wiltshire, exported 750 tonnes of waste to Brazil, in breach of Organisation for Economic Co-operation and Development rules.

BBC: Father and son admit illegal waste export to Brazil