A handful of astronomers are convinced they have found a couple of these missing links, and in fact are arguing their case this week at a conference in California.

少数天文学家相信，他们已经发现了几个失落掉的中量级黑洞的环节，事实上，在本周于加利福尼亚举行的一个会议上，他们为他们的案例而争辩。

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Case in point: At a recent sci-fi conference, a woman told me about taking her Volkswagen bus deep into the Oregon forest.

案例分析：在最近一次关于科幻的会议上，一名妇女跟我谈起她的一次经历。

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In this case, a page documenting a conference.

在这个例子中，通过一个页面记录了某个会议的信息。

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So Mr.Obama held a news conference, to make his case that overhauling the country's health insurance system is an issue that should transcend politics.

VOA: standard.2009.07.23

Mrs Hope's death was re-categorised after a two-day case conference by police and medical specialists, which looked at all the evidence gathered so far.

BBC: Beryl Hope

The hearing was the 15th case management conference relating to phone-hacking legal action brought by scores of prominent figures and others.

BBC: Ex-MP Neil Hamilton and wife settle phone-hacking case

Wal-Mart case will ask the U.S. District Court in San Francisco today for a Case Management Conference to discuss the manner in which the class representatives would like to continue their gender discrimination suit against Wal-Mart.

FORBES: Dukes Not Dead - the Wal-Mart Class Action Continues