The indeterminacy of meaning is firstly reflected in the indeterminacy of cognitive frame to which a symbolic unit belongs .

意义的不确定性首先体现在语 符 所属认知框架的不确定。

An area of main storage that holds the addresses of the unit control blocks and system control blocks for each symbolic unit .

主存储器中存放每个 符号 设备的设备控制块和系统控制块的地址的一种区域。

Development of Symbolic Unit in Auto CAD for Geological Maps and Drawings

AUTOCAD中地质绘图 符号 单元的开发

Symbolic units are bipolar consisting of a semantic unit defining one pole and a phonological unit defining the other .

象征单位有两极，一极是语义 单位，另外一极是语音单位。