As one of the most popular and effectual propagationmedium at present, the television undertakes the important population policy propaganda task.
作为目前最大众化、最具效力的传播媒介之一,电视承担着重要的人口政策宣传任务。
2
Aristotle (384-322 BC) recognized the need for a conducting medium and stated that the means of propagation depended on the properties of the material.
亚里士多德(384 BC - 322bc)认识到传播媒介的重要性,并指出声传播的方式取决于材料的特性。
3
The production method of the movie, its mediumpropagation way and effect produced by it make it become a kind of mass media.