This creates redundancy in the process documentation and poses challenges to implementation of both RUP and CMMI.

这就在过程文档中产生了冗余，并且给 RUP 和 CMMI 的执行都提出了挑战。

youdao

Although challenges to implementation undoubtedly exist, they are, in the authors' view, worthy of further research and investigation.

虽然毫无疑问地存在着对于实施的挑战，然而，在作者看来，它们是值得开展进一步调查研究的。

youdao

However, it notes there are "major challenges" to its implementation.

BBC: Scottish Borders Council school timetable moves on hold

But if it means more states like yours will share the responsibility of administering insurance exchanges, perhaps this is a concession Washington would be willing to consider, especially given likely implementation challenges associated with setting up a larger-than-expected national exchange within very tight timelines.

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This event will highlight the progress that certain governments have made with regards to safe schools initiatives and present challenges met in their implementation.

UNESCO: Disaster Preparedness and Mitigation