单元: unit; unit element; cell; lo ...指向: directing; sensing; sense of ...特性: characteristic; character; p ...指向特性: directional characteristic; directity characteristic原生指向特性: primary directional property天线群指向特性: group directional characteristic导向特性: steering characteristic定向特性: directional characteristic反向特性: reverse characteristic方向特性: directional characteristic; directivity characteristics方向特性图: directivity graph径向特性: radial characteristic倾向特性: characteristic of tendency群方向特性: group-directional characteristic双向特性: bidirectional characteristics正向特性: forward characteristic程序单元指令: program location directive管理单元指针: administration unit pointer au ptr; aup:administration unit pointer支路单元指针: tup:tributary unit pointer方向特性曲线: directivity characteristic正向特性曲线: forward characteristic管理单元指针丢失: administration unit loss of pointer信号单元指示符: signal unit indicator支路单元指针丢失: tributary unit loss of pointer指向频率特性: directivity frequency characteristic