工学 碱基切除修复 释 base excision repair; BER 碱基切除修复 一种DNA损伤的修复机制。它从基因组中去除小的、不扭曲螺旋的辐射导致的碱基损伤，然后插入正确的碱基或核苷酸。
BER basic electrical rhythm 基本电节律
网络与数据通信 网络应用 释文 basic encoding rule, BER 基本编码规则
- X-ray absorption index
- X-ray absorption limit
- X-ray absorption near-edge spectroscopy
- Xray absorption near edge spectroscopy
- X-ray absorption near edge structure
- X-ray absorption near-edge structure
- X-ray absorption nearedge structure
- Xray absorption near edge structure
- Xray absorption nearedge structure
- X-ray absorption near-edge structure, XANES
- X-ray absorption near edge structure (XANES); near edge X-ray absorption fine structure (NEXAFS)
- X-ray absorption spectroscopy
- Xray absorption spectroscopy
- X-ray absorption spectrum
- Xray absorption spectrum
- X-ray afterglow
- X-ray amplification by stimulated emission of radiation
- X-ray analysis
- X-ray Analysis and Data Ulitilization
- X-ray analysis for pharmaceutics
- X-ray and ionizing radiation luminescence
- Xray and ionizing radiation luminescence
- X-ray and proton radiotherapy
- X-ray astrometry
- X-ray astronomical satellite