理学 计算机输入输出设备 释 RFID tag 射频识别标签 是射频识别系统（radio frequency identification; RFID）的组成部分，可以用于识别目标对象。通过阅读器与标签之间非接触式数据通信，实现目标识别。
计算机硬件 输入输出设备 释文 radio frequency identification devices tag, RFID tag 射频识别标签 计算机硬件 输入输出设备 释文 radio frequency identification devices tag, RFID tag 射频识别标签
- sum of divisors
- sum of energy production
- sum of events
- sum of ideals
- sum of irrational radicals
- sum of linear convolution
- sum of matrices
- sum of numbers
- sum of operators
- sum of order types
- sum of ordinal numbers
- sum of powers
- sum of powers conjecture
- sum of prime factors
- sum of products
- sum of random many of random variables
- sum of sequences
- sum of series
- sum of sets
- sum of square deviations
- sum of squares
- sum of squares between classes
- sum of squares for partial regression
- sum of squares function
- sum of squares of residues