理学 计算机输入输出设备 释 barcode 条码 将宽度不等的多个黑条（简称条）和白条（简称空），按照一定的编码规则排列，用以表达一组信息的图形标识符。又称条形码。
计算机硬件 输入输出设备 释文 bar code 条码
- singular branch process
- singular calculus
- singular cardinal
- singular cardinal number
- singular cardinal problem
- singular cardinals hypothesis
- singular cardinals hypothesis (SCH)
- singular case
- singular cell
- singular chain
- singular chain complex
- singular chain group
- singular circle
- singular cochain
- singular cochain complex
- singular cocycle
- singular coefficient
- singular cohomology
- singular cohomology group
- singular cohomology ring
- singular collineation
- singular complex
- singular component
- singular configuration
- singular congruence