Extracting information about the large-scale composition of a planet from a sample weighing a millionth of a gram was a fascinating example of scientific endeavour.

从重量为百万分之一克的样品中提取有关行星宏观组成的信息是一个极为有趣的科学尝试实例。

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First, the evidence is not derived from a random global sample (it tends to come from countries with a well-established scientific tradition).

首先，这些证据并不是来源于全球性的随机样本中(它们都来自于那些有根深蒂固的科学传统的国家)。

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The group's more general argument is that scientific research is so difficult-the sample sizes must be big and the analysis rigorous-that most research may end up being wrong.

这组人员更常见的辩解是，科研工作是如此的困难——取样大，分析难——以至于大多数成果最终得出的结论是错误的。

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You see these headlines from scientific journals, and this is just a small sample.

看这些科学期刊的标题,这只是个很小的例子

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While the sample isn't scientific, and may have attracted an anti-AMA crowd, it's gotten attention as a vote of confidence against the group.

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Among the most scientific and serious polls was the large-sample survey (844 respondents) by the Pew Research Center from Jan. 30 through Feb. 2.

CNN: By Ronald D. Elving, CQ Staff Writer

Project scientist John Grotzinger pointed out that such a search would require more sophisticated scientific equipment than even the advanced rover carries, if not a full-scale sample return mission.

MSN: Curiosity aims to unlock Mars mysteries - Technology & science - Space - Space.com | NBC News