This agreement, if not implemented, is a mere scrap of paper.

这个协定如不执行只不过是一纸空文。

《新英汉大辞典》

Why were appropriate actions not implemented then?

为什么当时未采取适当的行动呢？

youdao

Not implemented: The practice requirements are not met.

尚未实现：实践需求没有实现。

youdao

Iran signed a similar deal with Pakistan, last month, although it is not clear if it will be implemented.

VOA: standard.2010.07.23

printf That's not actually where someone implemented print F and related functions, rather, in dot H files, by convention, are prototypes.

那实际不是有某人在哪里执行,相关函数，而是在，h文件中，按照惯例，它们是函数原型。

哈佛公开课 - 计算机科学课程节选

Where have we implemented a greedy algorithm, or have been asked to do a greedy algorithm? Well, there are not that many things you guys have been working on this semester.

现在你已经实施了一个贪婪算法,我们在哪里实施了贪婪算法,或者我们那里被要求实施贪婪算法呢？,们这学期不需要用什么功对吧？

麻省理工公开课 - 计算机科学及编程导论课程节选

The two sides signed a unity agreement in April 2011, but it was not implemented.

BBC: Palestinian groups Hamas and Fatah agree on unity deal

If the Annan plan is not implemented, we will argue for a new and robust U.N.

CNN: STORY HIGHLIGHTS

He added that, while Syria had agreed to Annan's peace plan, the regime has not implemented it.

CNN: Sources: Annan, Clinton to meet about Syria