A.時(shí)效性強(qiáng)B.信息量大C.傳播規(guī)律普遍D.傳真性強(qiáng)
A.1877B.1882C.1906D.1915
A.聲畫合一B.聲畫對(duì)位C.聲畫分立D.聲畫對(duì)立