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词汇 pollen diagram
释义

Definition of pollen diagram in English:

pollen diagram

noun

  • A standardized graphical representation of pollen spectra from one site, showing changes in the frequencies of various kinds of pollen with depth (and hence with time).

Origin

1920s.

Definition of pollen diagram in US English:

pollen diagram

noun

  • A standardized graphical representation of pollen spectra from one site, showing changes in the frequencies of various kinds of pollen with depth (and hence with time).

Origin

1920s.
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