单词	symmetric channel
释义	symmetric channel 对称信道
随便看	off-line character image identification off-line charge system Off-line chelation off-line Chinese characters recognition offlined off-line data off-line data entry off line data handline off-line data handline offline data handling off line data handling off-line data handling offline data processing off line data processing off-line data processing off-line data processor off line data reduction off-line data reduction off-line data storing off-line data transfer off-line data transmission off line date processing Offline Debit Card offline derrick offline detection