RD

= Read Data,读出数据;

= Receive Data, 接收数据;

= ReDuction, 简化，简约；【软】 归约；还原；减少;

= Relation Dictionary, 关系词典;

= Relocatable Directory, 可重定位目录;

= Reply Delay, 回答延迟;

= Report Description, 报表描述;

= Required Data, 所需数据