Researchers are following up on these promising leads, trying to rule out any false alarms.

研究人员正在跟进这些有希望的线索，并试着排除错误的信息。

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We have a few leads and several persons of interest we're following up on.

我们掌握了一些线索和几句嫌疑犯，正在跟进。

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He was steadily networking and following-up on job leads and had interviewed widely.

他定期进行网络搜索、跟踪工作线索以及大量参加面试。

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In that weeks that followed, scores of investigators have following up on leads.

CNN: Cause of catastrophic Texas explosions remains mystery

Culture says that following up on leads eventually is soon enough.

CNN: 'Systemic failure' is no excuse

"Diverting resources away from following up current leads to track down people based on convictions that may be decades old is a questionable strategy at a time when the police are already overstretched, " he added.

BBC: A DNA autoradiogram