There are multiple definitions:

1. Background Equivalent Radiation Time(English)

   • amount of radiation received from a radiologic procedure in terms of number of days or years of background radiation
   • COD, DAP, ED, FAD
   • Radiotherapy /radiation
   • https://pubs.rs…48/rg.285075748

2. Bidirectional Encoder Representations from Transformers(English)

   • language representation model that is unique by looking at text in a bidirectional matter, and only needs one additional output layer to fine-tune the model for performing a certain NLP task
   • NLP
   • Medical informatics
   • https://doi.org…653/v1/N19-1423