The abbreviation byr means "billion years"(109 or 1,000,000,000 years). A closely related abbreviation is bya "billion years ago".
byr例句
The mathematical theory of plasticity Microarray Deacetylation Maps Determine Genome-Wide Functions for Yeast Histone Deacetylases A Practical Guide to Pseudospectral Methods Nuclear hormone receptor coregulators in action: diversity for shared tasks. Impact of Transmission Impairments on the Teletraffic Performance of Wavelength-Routed Optical Networks Optical WDM Networks Network Innovation using OpenFlow: A Survey Prevalence and management of late fetal complications following successful selective laser coagulation of chorionic plate anastomose... Genome-wide binding map of the histone deacetylase Rpd3 in yeast. Determine Genome-Wide Functions for Yeast Histone Deacetylases
