英和和英

副詞

RCYBP (not comparable)

1. (sciences) Initialism of radio carbon years before present.

   Coordinate terms: BP, YBP

   • 2012, Thomas E. Emerson; Dale L. McElrath; Andrew C. Fortier, editors, Archaic Societies: Diversity and Complexity across the Midcontinent, State University of New York Press, →ISBN, page 790:

     In some areas, such as the north-central shore, the historic level was achieved as early as 6000 RCYBP, whereas in other areas, stable levels approximating the modern were not achieved until 4000 RCYBP or slightly thereafter.