backward compatibility
反向环球回波
backward round-the-world echo【物】
暂无补充释义。
backward round-the-world echo【物】
暂无补充释义。
backward compatibility
backward integration
backward elimination
backward conditional probabilities
backward sloping supply curve【经】
bend forward and backward
backward read【计】;backward reading【计】;read backward【计】
backward hold【通信】