数据: data; record; information定向: directional; orient; orienta ...传输: transfer; transmission; conv ...定向传输: beam tra mi ion; beam transmission; directional transmission数据定向输出: data-directed output定向传输链路: beam transmission link定向传输线路: beam-transmission link定向传输,波束传输: beam transmission地震数据定向滤波: directional filtering of seismic data数据定向寄存器: data direction register; direction register数据定向输入输出: data directed i ut/output; data directed input/output数据定向知识调用: data-directed knowledge invocation数据定向的数据字段长度: data-directed data field length双向传输数据线路: bedirectional transmission data line定向传播: beaming; guided propagation定向传声器: directional microphone数据定界符: data delimiter数据定位: data positioning数据定义: datadefinition; dd data definition数据定义表: ddt data definition table数据定义符: data delimiter数据定义库: data definition library数据定义名: data definition name; ddn半双向传输: half-duplex transmission出向传输: outgoing transmission