论文部分内容阅读
CCD Charge Coupled Device电荷耦合器件CCF Conditional Call Forwarding有条件呼叫前转CCH Connections per Circuit Hour每条电路每小时接续次数CCH Control CHannel控制信道
CCD Charge Coupled Device Charge Coupled Device CCF Conditional Call Forwarding Conditional Call Forwarding CCH Connections per Circuit Hour Number of Times Per Hour Per Circuit CCH Control CHannel Control Channel