The genetic variation of paulownias natural stem-join characters was studied by means of field observation, field test and statistical analysis.

运用野外观察、田间试验和统计分析的方法研究泡桐自然接干性状的遗传变异规律。

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That's pretty straightforward statistical analysis, if you believe in the reliability and validity of the assessment measure used, the Internet Addiction Test (I'll come back to this point).

这是最直接的数据分析，如果你相信所用的评估测量的准确性和有效性的话——网瘾测试(我还会回到这一观点上来的)。

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In pilot and field studies, test takers took both the existing TOEIC test and the new test. Statistical analysis of the results confirmed that the difficulty level of the two tests was equivalent.

在试验研究中，考生同时参加了现行托业考试和新托业考试，考试结果的数据分析表明两个考试的难度是相同的。

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In a letter sent to the head of the U.S. Food and Drug Administration's Center for Drug Evaluation and Research, Wolfe outlined a statistical analysis he had done of a 1999 Pfizer-funded test of Celebrex as a preventative for Alzheimer's disease that had just been made available on an industry Web site of clinical trial results.

FORBES: The Celebrex Safety Mirage