check sum digit

SUM... ... check sum code {n.}检验和码 check sum digit {n.}检验和位 check sum error-detecting system 检和式误差测定系统 ...

程式设计语言"_馆档网 ... "核对和码"," check sum code" "核对和数位"," check sum digit" "核对符号"," check symbol" ...