Population-based surveillance studies using laboratory-confirmed cases were sought for each incidence group by a computerized search of the scientific literature.
检索相关科学文献,为每个发病率组检索出基于人群监测研究并采用实验室检查确诊的病例数据。
The first group was told that they could only communicate via 'email', which would be simulated by written messages passed around the group by a designated 'mail server'.
第一组被告知,他们只能通过“email”进行沟通。有一个特定的“邮件服务器”,大家通过它相互传递写下的消息。
The airport is being privately funded by a construction group.
该机场正由一建筑集团私家资助。
The observance is organized by a conservation group, the World Wide Fund for Nature, also known as the World Wildlife Fund.
VOA: special.2010.03.22
But in any event, this suggests that these settlements were established peacefully, not by a group coming in and conquering.
但无论如何也显示了,这些居住所是被和平地建成的,而不是由一个部族进入然后攻占。
I went to the Middle East with a group of faculty members and other students, including this faculty member that I spoke about, who by the way was also a Jewish and that was an important learning for me.
我去了中东地区,和一些教授以及学生一起,这其中就包括刚才我提到的导师,她还是个犹太人,这一点也让我学到很多东西。
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