这并不是一个科学调查，而是基于自由选择投票并且考虑到所选网站的优缺点产生的。
It's not a scientific survey, since those polled are a self-selected sampling and tend to feel strongly about certain sites, both pro and con.
BBS被广泛应用在从日常服务、招聘广告到非常专业的领域中，例如在一个非常狭窄的科学领域中交换调查数据。
BBS has been used for everything from dating service and want ads to highly specialized applications such as the exchange of research data in a narrow scientific field.
显然这并不是一个专业的科学调查，但有趣的是，我们可以大体摸清影响经济学界的声音都是源自哪里。
This obviously isn't a scientific poll of the profession, but it is interesting to get some sense of from where the profession sees its influence emanating.
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