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
- transition metal oxide
- transition metal oxide anode material
- transition metal oxides catalytic materials
- transition metal phosphides
- transition metal sulfide
- transition moment
- transition net
- transition nucleus
- transition of an automaton
- transition of free shear flows
- transition of spontaneous emission
- transition of structures
- transition of thermal convection
- transition operator
- transition operator semigroup
- transition orbit
- transition paradigm
- transition phenomenon
- transition point
- transition point of electricity
- transition point of magnetism
- transition probability
- transition probability and transition speed
- transition probability density
- transition probability distribution