... 钙质泥灰岩 calcareous marl 钙质超微浮游生物 calcareous nannoplankton 钙质软泥 calcareous ooze ...
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Based on the analyses of abundance and assemblages of calcareous nannoplankton of the surface sediments from the South China Sea, the correlation between the abundance and water depth is found.
通过对南海表层沉积中钙质超微化石丰度和属种组合的分析，得出化石丰度与水深的关系。
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