For many medicines, and particularly complex products, safety monitoring does not stop at the manufacturing stage.

就许多药物而言，特别是那些复杂制品，安全性检测不能停留在生产阶段。

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In many cases, it occurs during the distribution stage of the supply chain flow, which can be quite complex for pharmaceuticals.

在大部分情况下发生在供应链的分发阶段，对于药品而言，这个阶段是非常复杂的。

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The next stage of the research will see the team trying to develop more complex circuitry that comprises multiple logic gates.

研究的下一阶段，科技人员将尝试开发包含多个逻辑门的更为复杂的电路。

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The memorial was an upbeat celebration of Michael Jackson's music, with local talent taking the stage to sing his hits or imitate his complex and iconic dance moves.

VOA: standard.2009.07.11

Mr Maduro, who has been named by President Chavez as his preferred successor, said the treatment was in a "complex and difficult stage".

BBC: Hugo Chavez 'battling for his life', says VP Maduro

The army should be involved at an early stage in complex civil emergencies.

BBC: At a glance: NFU disease report

Some doubt that Bush would be able to match his Texas feat on a more complex and partisan national stage.

CNN: Sticking with what works best: Gore, Bush offer contrasting leadership styles