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词汇 nannofossil
释义 nan·o·fos·sil 英ˈnænəˌfɒsəl美ˈnænəˌfɑsəlAHDnănʹə-fŏs'əl BNC¹¹⁴⁰²⁴⁺
基本例句
n.地微化石;微型浮游生物化石¹⁰⁰
“ Marginal sea nannofossil assemblage” is discussed by comparison of nannoplankton assemblages in the surface sediments of the South China Sea with those of the North Pacific.
在与北太平洋诸水团组合进行对比的基础上,讨论了所谓“边缘海超微化石组合”。 cnki

Calcareous nannofossil biostratigraphy is an effective method to date Co-rich ferromanganese crust.
钙质超微化石的生物地层学是对钴结壳定年的可靠方法。 cnki

This study notes that no reliable Late Oligocene to Miocene nannofossil markers were found in these2 crusts. Furthermore, sedimentation hiatus was observed.
研究注意到在2个结壳中都没有发现可信的晚渐新世到中新世的化石记录,在个别层位之间存在着沉积间断。 cnki
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