理学 计算机输入输出设备 释 bar code reader; BCR 条码阅读器 一种用于读取条码所包含信息的输入设备，可分为一维、二维条码阅读器。又称条码扫描器、条码扫描枪。
计算机硬件 输入输出设备 释文 bar code reader, bar code scanner 条码阅读器
- Petrovskiǐ hyperbolicity
- Petrovskiǐ theorem
- Petrovsky
- Petrozavodsk
- Petru Groza
- Petrus Christus
- Petrus de Cruce
- Petrushka
- Petrus Plancius
- Petrus Ramus
- PETS
- PET/SPECT/CT three modality imaging system
- PET/SPECT/CT三模式成像系统
- PET/SPECT imaging system
- PET/SPECT成像系统
- Petter Dass
- petterned red earth
- Pettijohn, Francis John
- Pettis
- Pettis integrability
- Pettis integrable function
- Pettis integral
- Pettis measurability theorem
- Pettit
- Petty