短语词组短语bit -cell polysilicon 位单元多晶硅bit t cell 位单元bit per cell 胞的多位化Bit -cell 位单元Multi -Bit per Cell 多位化memory bit cell 单元Multi Bit Cell 多位式存储;多位单元bit cell leading edge 位单元前沿bit cell trailing edge 位单元后沿 返回 bit cell