计算机硬件 计算机维护 释文 error-free running period 无错运行期
- beta hairpin
- beta-hairpin
- beta helix
- beta-helix
- beta hydoxyethyl methacrylate
- beta-hydoxyethyl methacrylate
- beta hydroxyethylbenzene
- beta-hydroxyethylbenzene
- betaine amphoteric surfactant
- beta-integral
- beta-invariant
- Beta Israel
- beta lactam antibiotic
- beta-lactam antibiotic
- beta lactone
- beta-lactone
- beta limit
- beta Lyr-type eclipsing binary
- beta methyacrolein
- beta-methyacrolein
- beta-model
- beta naphthylamine
- beta-naphthylamine
- beta particle
- beta-particle