“background equivalent activity（BEA）”概念、定义、翻译-科学时代

单词	background equivalent activity（BEA）
释义	环境科学与工程词汇手册 background equivalent activity（BEA）本底等效放射性；天然本底放射性当量强度
随便看	central processing unit central processing unit central processing unit--central processing unit (CPU) Central Processing Unit--Central Processing Unit (CPU) central processing unit--central processing unit (CPU) central processing unit (CPU) Central Processing Unit (CPU) central processing unit (CPU) Central Processing Unit (CPU) central processing unit (CPU) central processing unit for computer central processing unit（CPU） central processing unit（CPU） central processor central processor model central processor unit central processor unit--central processor unit (CPU) central processor unit (CPU) central process unit（CPU） central product central programme control room central projection central projection central projection central projection

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。