By means of systematicsample along the Guanjiagou Formation section in Wenxian County, Gansu Province, many Micropalaeoflora fossils are collected, and identified as 16 genera and 28 species.
通过对甘肃省文县关家沟组剖面的系统采样,获得大量微古植物化石,鉴定出16个属28个种。
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To find out, you'd have to take a systematic and unbiased sample – perhaps a whole week's worth of stories – and then check the evidence behind every claim.